18 Results for Medical Office Administrator Jobs in Thousand Oaks, CA

Add your latest resume to match with open positions.

Medical Receptionist

Canyon County, CA
onsite
Temporary / Contract
25 - 25 USD / Hourly
We are looking for a welcoming and organized individual to support front-desk operations for our client in Canyon Country as a Medical Receptionist. This contract Medical Receptionist position focuses on creating a positive experience for patients while managing registration, insurance intake, and routine administrative support. The person in this role will work closely with medical assistants, clinicians, and nursing staff to help keep daily patient flow efficient and accurate. Apply to become a Medical Receptionist today! Responsibilities:• Welcome patients upon arrival, guide them through check-in, and ensure each visit begins with a courteous and friendly experience.• Collect and update patient demographic details, insurance information, and registration records with a high level of accuracy.• Place appointment reminder calls and help confirm schedules to support attendance and clinic efficiency.• Scan, index, and organize patient-related documents so records remain complete and easy to retrieve.• Perform day-to-day front office tasks such as handling clerical paperwork, managing intake materials, and supporting reception coverage.• Coordinate with clinical team members, including medical assistants, nurses, and providers, to keep patient visits moving smoothly.• Verify coverage details and assist with insurance-related documentation as part of the registration process.• Use computer-based systems and electronic medical record tools to enter, review, and maintain patient information.
2026-11-06T00:00:00Z

Office Manager

Pasadena, CA
onsite
Temporary / Contract
23 - 25 USD / Hourly
We currently have excellent ongoing opportunities for highly skilled and motivated Office Managers to lead operations at a growing company. Are you a deeply passionate self-starter who is looking to grow their career? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.How you will make an impact· Leading overall office administration· Handling copy services, word processing, mail and distribution services, office reception, office equipment, utility services and communication systems· Evaluating and improving office production· Assisting in developing and revising office policies and procedure for improved work flow· Assisting the Operations Manager and Director in monitoring budget for office related items and staff
2026-11-04T00:00:00Z

Medical Surgery Coder (Remote)

Los Angeles, CA
remote
Temporary to Hire
27.97 - 43.99 USD / Hourly
A Hospital in Los Angeles is looking for a Medical Coder with experience in Surgery experience. The Medical Coder role will focuses on accurate coding for surgical and related outpatient services, helping ensure clean claims, reliable reimbursement, and strong compliance with payer and regulatory standards. The person in the Medical Coder role will work closely with revenue cycle partners, clinical teams, and leadership to resolve coding issues, improve documentation quality, and maintain consistent coding performance. This position is a remote Monday - Friday. CPC or CCS licence is a MUST for consideration. This role is remote Monday - Friday with equipment provided. Key Responsibilities:• Orthopedic Surgical Coding, Surgical Abstracting, and MediCal & CCS coding and billing guidelines (Top Requirements) • Examine surgical charge documentation and clinical records to assign accurate diagnosis, procedure, and modifier codes for billing and reimbursement activities.• Validate charge capture details, correct coding discrepancies, and confirm proper linkage between diagnoses and procedures before claims move forward.• Apply ICD-10 and CPT coding standards to surgical and designated diagnostic cases, including review of complex encounters requiring careful interpretation.• Manage daily claim and coding work queues, monitor ticket volume, and help maintain timely and accurate claim submission processes.• Review scanned charge documents for completeness and coding accuracy, escalating unusual or high-risk issues when necessary.• Support reporting and trend analysis by tracking coding errors, identifying recurring issues, and sharing findings with management for process improvement.• Collaborate with revenue cycle staff, physicians, clinicians, and departmental leadership to address questions, resolve escalations, and strengthen coding quality.• Maintain working knowledge across multiple specialties and remain current on payer rules, Medi-Cal guidance, CCS, Medicare requirements, and other compliance expectations.• Participate in audits, department meetings, and ongoing education activities while assisting with coding records management and other assigned duties. Benefits: Health, Dental, Vision, 401k, and Sick Time Off.
2026-11-05T00:00:00Z

Administrative Assistant

Santa Monica, CA
onsite
Temporary to Hire
60000 - 75000 USD / Yearly
We are looking for a highly organized Administrative Assistant to support a Managing Director and contribute to the day-to-day needs of private equity firm in Santa Monica. This permanent opportunity is ideal for someone who thrives in a fast-paced environment, balances multiple priorities with accuracy, and takes pride in delivering strong administrative support. The role combines executive coordination, expense management, document preparation, and office operations while partnering with internal teams on a range of business initiatives. This role requires you to be onsite daily and this firm offers career advancement. Bachelor's degree is required. Responsibilities:• Provide day-to-day administrative assistance to a Managing Director, ensuring priorities are handled efficiently and effectively.• Manage complex calendars, arrange meetings, confirm schedules, and proactively address conflicts or last-minute changes.• Prepare, track, and reconcile detailed expense activity, including receipt collection and reimbursement processing for corporate card usage.• Oversee monthly expense report follow-up in Concur, working with employees to resolve incomplete submissions and required corrections.• Draft, format, review, and refine documents and presentations while coordinating printing and final production of business materials.• Maintain office readiness by ordering supplies and meals, stocking shared spaces, and keeping conference rooms organized and presentable.• Coordinate facility-related needs by submitting building service requests and following through on maintenance items as needed.• Assist with corporate entity setup tasks such as securing tax identification numbers, preparing required tax forms, and supporting bank account documentation.• Partner with legal, compliance, tax, accounting, investment professionals, and outside counsel to gather and share information tied to entity and corporate support activities.• Contribute to special assignments and provide administrative support across additional projects as business needs evolve.
2026-10-16T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Temporary / Contract
20 - 25 USD / Hourly
A company in West LA is seeking a detail-oriented Administrative Assistant to join their team on a temp-to-hire basis. This role is ideal for someone who enjoys supporting day-to-day office operations, providing excellent internal and external customer service, and managing multiple priorities in a fast-paced environment. Role is onsite Monday - Friday Key Responsibilities<ul><li>Manage calendars, schedule meetings, and coordinate appointments</li><li>Answer and direct incoming phone calls and emails</li><li>Welcome visitors and provide front desk support as needed</li><li>Prepare correspondence, reports, presentations, and other business documents</li><li>Maintain electronic and paper filing systems</li><li>Assist with data entry, recordkeeping, and database management</li><li>Coordinate office supplies, vendors, and general administrative needs</li><li>Support expense reporting, invoice processing, and other administrative projects</li><li>Collaborate with various departments to ensure smooth office operations</li><li>Handle confidential information with professionalism and discretion</li></ul>
2026-11-04T00:00:00Z

Administrative Assistant

Pasadena, CA
onsite
Temporary / Contract
23 - 25 USD / Hourly
Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.· Answer phones and greet visitors· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-11-04T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Temporary / Contract
23 - 23 USD / Hourly
We are looking for an Administrative Assistant to support day-to-day operations for a non-profit organization. This is a Contract position suited for someone who can work independently, organize information carefully, and respond effectively when priorities shift. The ideal candidate brings strong administrative coordination skills, sound judgment, and the ability to keep records, meetings, and communication running smoothly. Responsibilities: • Manage daily administrative activities, including scheduling, document preparation, and general office coordination to support staff and leadership. • Enter, update, and maintain records with a high level of accuracy while ensuring information is organized, reliable, and easy to retrieve. • Research and confirm details as needed, using available resources to resolve questions and support informed decision-making. • Coordinate virtual meetings through platforms such as Zoom and Microsoft Teams, including setup, scheduling, and follow-up documentation. • Prepare reports, track program or operational data, and assist team members with routine administrative needs. • Monitor competing priorities, anticipate support needs, and take proactive steps to address issues before they affect operations. • Handle inbound calls, respond to administrative inquiries, and provide front-office or receptionist support as needed. • Contribute ideas to improve office workflows and administrative processes while maintaining confidentiality and professionalism.
2026-10-27T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Temporary / Contract
28 - 32 USD / Hourly
We are looking for an Administrative Assistant to support daily office operations. This contract position is ideal for someone who enjoys keeping administrative processes organized, providing attentive front-desk support, and handling a variety of coordination tasks with accuracy. The person in this role will help maintain efficient communication, manage routine office activities, and ensure information is entered and tracked correctly. Responsibilities: • Greet visitors and provide courteous reception support while helping direct inquiries to the appropriate contacts. • Answer incoming calls promptly, respond to general questions, and route messages accurately to team members. • Perform a range of administrative tasks to keep office operations running smoothly and efficiently. • Enter, update, and maintain records with a high level of accuracy and attention to detail. • Organize files, documents, and routine correspondence to support day-to-day business activities. • Assist with scheduling, coordination, and other clerical duties as needed across the office. • Monitor administrative workflows and help ensure information is handled in a timely and organized manner.
2026-11-06T00:00:00Z

Administrative Assistant

Encino, CA
onsite
Temporary to Hire
22 - 24 USD / Hourly
We are looking for an organized Administrative Assistant to support daily office operations for a business management CPA firm in Encino, California. This contract-to-permanent opportunity is well suited for someone who enjoys balancing client communication, scheduling, and accurate administrative support in a detail-focused environment. The ideal candidate brings strong customer service skills, confidence handling phone and email correspondence, and the ability to work efficiently across Microsoft Office applications. Responsibilities:• Manage incoming calls and direct inquiries effectively while providing a high level of client service• Coordinate calendars and arrange appointments to keep schedules organized and up to date• Prepare, update, and maintain records through accurate data entry and document handling• Respond to email communications promptly and ensure messages are routed to the appropriate contacts• Support day-to-day office activities by handling both inbound and outbound communication with clients and internal team members• Create and format business documents, spreadsheets, presentations, and correspondence using Microsoft Word, Excel, Outlook, and PowerPoint• Assist with general administrative tasks that help maintain smooth and efficient office operations
2026-11-06T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Temporary to Hire
20.9 - 24.2 USD / Hourly
We are looking for an Administrative Assistant to support a fast-paced, well-organized environment in Los Angeles, California. This contract opportunity with potential for a permanent position is ideal for someone who brings strong judgment, excellent follow-through, and an experienced approach to communication with both internal teams and high-visibility external contacts. The person in this role will help keep daily operations organized, manage time-sensitive requests with urgency, and provide dependable administrative support from day one. Responsibilities: • Manage calendars, coordinate meetings, and track shifting priorities to ensure important requests are handled promptly and accurately. • Serve as an effective first point of contact by answering incoming calls, greeting visitors, and routing communications to the appropriate parties. • Monitor time-sensitive messages and requests, escalate urgent matters quickly, and follow through until each item is resolved. • Maintain organized records, update internal documents, and complete data entry tasks with a high degree of accuracy. • Support day-to-day office administration by preparing materials, handling correspondence, and keeping workflows running efficiently. • Gather information proactively, anticipate administrative needs, and use sound judgment to solve routine issues independently. • Partner closely with leadership and stakeholders to coordinate logistics for appearances, meetings, and other scheduled commitments.
2026-11-04T00:00:00Z

Administrative Assistant

Los Angeles, CA
onsite
Temporary / Contract
23 - 27 USD / Hourly
A healthcare company is looking for an Administrative Assistant to support daily operations across multiple programs. This Administrative Assistant plays a key role in keeping administrative processes organized, responsive, and efficient while working closely with operational leadership and program teams. The Administrative Assistant brings strong coordination skills, sound judgment with confidential information, and the flexibility to assist across locations and events as business needs evolve. Key Responsibilities:• Coordinate schedules, arrange meetings and conference calls, and capture clear meeting notes to support follow-up actions.• Draft, format, and distribute clear communications, internal documents, reports, and forms in a timely manner.• Maintain organized digital records and shared files using business applications such as Teams, SharePoint, and contract management platforms.• Monitor office supply levels, place orders, compare vendor options, and help track inventory to ensure uninterrupted operations.• Process incoming and outgoing mail, prepare check request documentation, and submit materials to the finance team for review and payment handling.• Reconcile company credit card activity by gathering receipts, matching transactions, and organizing supporting bank statement documentation.• Assist program managers with administrative tracking for equipment upkeep, service schedules, and specialty disposal pickups.• Support event logistics by coordinating requests, updating monthly calendars, and traveling between sites when on-site administrative assistance is needed.• Uphold confidentiality standards, follow organizational procedures, and contribute to reports, presentations, and other operational materials as assigned. Benefits: Health, Dental, Vision, 401k, and Sick Time Off.
2026-11-06T00:00:00Z

Administrative Assistant

Gardena, CA
onsite
Temporary to Hire
28 - 32 USD / Hourly
We are looking for a dependable Administrative Assistant to support daily office operations in California. This contract opportunity has the potential to become permanent and is ideal for someone who thrives in a fast-moving environment, stays organized, and takes initiative without waiting for direction. The right candidate will bring a service-oriented mindset, adapt easily to shifting priorities, and help create an efficient and well-coordinated workplace. Responsibilities: • Manage front-office activities by greeting visitors, answering incoming phone calls, and directing inquiries appropriately. • Sort, open, and distribute incoming mail to ensure timely delivery of important documents and correspondence. • Provide administrative support for leadership and team members by preparing materials, coordinating requests, and handling routine office tasks. • Take ownership of special assignments and time-intensive projects that improve day-to-day office efficiency. • Coordinate office meal orders and help manage related logistics for staff needs and team gatherings. • Assist with planning and organizing offsite meetings or company events, including scheduling and vendor coordination. • Perform data entry and maintain organized records, files, and administrative documentation with a high level of accuracy. • Monitor office needs proactively and step in where needed to keep operations running smoothly across multiple functions.
2026-11-03T00:00:00Z

Administrative Assistant

Torrance, CA
onsite
Temporary / Contract
20 - 23 USD / Hourly
We are looking for a highly organized Administrative Assistant to provide day-to-day support for a department in Torrance, California. This Long-term Contract opportunity is ideal for someone who is comfortable handling detailed administrative work, managing records, and keeping information accurate across multiple systems. The position offers the chance to contribute to core operational activities while supporting reporting, order processing, and data-related projects. Responsibilities: • Maintain and update departmental records, databases, and internal files to ensure information remains complete and current. • Review inventory, pricing, quotation, and product details to identify discrepancies and improve data accuracy. • Support the transfer of information into inventory management tools by preparing, entering, and verifying data. • Process purchase orders and assist with related documentation to help keep transactions organized and on schedule. • Perform high-volume data entry, generate routine reports, and provide general administrative assistance to the team. • Partner with department leaders to confirm records are correct, organized, and aligned with current business needs. • Contribute to special assignments and take on additional office support duties as priorities change. • Assist with general front-office and communication tasks, including handling inbound calls when needed.
2026-11-07T00:00:00Z

Administrative Assistant

Glendale, CA
onsite
Temporary / Contract
23 - 25 USD / Hourly
Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.· Answer phones and greet visitors in English and Spanish· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-11-04T00:00:00Z

Administrative Assistant

Alhambra, CA
onsite
Temporary / Contract
23 - 25 USD / Hourly
Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)We currently have ongoing positions for a results-oriented Administrative Assistants who are deeply passionate about growing their career. In this role, you will perform various administrative and office support duties. Do you love mail merging, pivot tables and presentation design? Then we have a position for you. Please email your resume and call 626.463.2031 for immediate consideration.· Answer phones and greet visitors· Schedule appointments and maintain calendars· Schedule and coordinate staff and other meetings· Collate and distribute mail· Prepare communications, such as memos, emails, invoices, reports and other correspondence· Write and edit documents from letters to reports and instructional documents· Create and maintain filing systems, both electronic and physical If you are a self-starter who is passionate about supporting a dynamic and growing company and looking to thrive in a creative environment, we would love to hear from you! Contact us now
2026-11-04T00:00:00Z

Administrative Assistant

Ventura, CA
onsite
Temporary to Hire
20 - 22 USD / Hourly
We are looking for an Administrative Assistant to support daily operations and help keep business activities organized in Ventura, California. This contract position with permanent potential is ideal for someone who enjoys managing schedules, coordinating communications, and handling detailed administrative work in a fast-paced office setting. The role also contributes to bid and contract support, document control, and front desk coverage while ensuring information is accurate, timely, and well maintained. Responsibilities: • Organize calendars, schedule appointments, and coordinate meetings to support smooth day-to-day operations. • Arrange travel logistics and assist with related planning details for staff as needed. • Prepare, assemble, and track bid submission materials while helping maintain required supporting documentation. • Research prospective business opportunities and monitor upcoming solicitations and deadlines. • Maintain accurate records for bids, contracts, subcontractors, vendors, and related project documentation. • Support project kickoff activities by gathering and processing items such as bonds, insurance certificates, and contract paperwork. • Track key milestones, compliance dates, amendments, correspondence, and audit-ready files for active projects. • Assist with subcontractor and vendor administration, including outreach lists, licensing information, payment-related support, and certified payroll documentation. • Perform data entry, reception coverage, inbound call handling, visitor assistance, and general office administrative tasks. • Contribute to special projects and provide broad administrative support wherever needed across the office.
2026-10-30T00:00:00Z

Medical Receptionist (Bilingual Korean)

Los Angeles, CA
onsite
Temporary to Hire
22 - 25 USD / Hourly
A Healthcare company is looking for bilingual Medical Receptionist to join a healthcare team in Los Angeles, California. This Medical Receptionist serves as the first point of contact for patients and visitors, creating a welcoming experience while supporting efficient front office operations. The ideal candidate is fluent in Korean and English, highly organized, and comfortable managing administrative tasks in a fast-paced clinical environment. Key Responsibilities:• Welcome patients and guests with a courteous, detail-oriented approach while communicating clearly in both Korean and English.• Confirm insurance details, process copayments, and review forms to ensure registration information is complete and accurate.• Support patient arrival and departure activities, including check-in, check-out, and timely entry of information into the practice system.• Work closely with providers and office staff to help maintain an organized schedule and steady patient flow throughout the day.• Manage documentation tasks such as processing medical records requests, scanning files, and maintaining orderly records.• Perform general administrative duties, including preparing correspondence, sending faxes, and monitoring front office supply levels.• Protect sensitive patient information by following healthcare privacy standards and established office procedures. Benefits: Health, Dental, Vision, 401k, and Sick Time Off.
2026-11-06T00:00:00Z

Medical Insurance Collections Specialist

Los Angeles, CA
onsite
Temporary / Contract
25.12 - 33.91 USD / Hourly
A Hospital in Los Angeles is seeking an experienced Medical Insurance Collections Specialist to join its revenue cycle team. The Medical Insurance Collections Specialist role will focus on insurance follow-up and collections for HMO and PPO payers, with an emphasis on resolving outstanding balances, researching claim issues, and securing timely reimbursement. The ideal candidate for the Medical Insurance Collections Specialist role will also have experience working with UB04 claims in a hospital setting. Key Responsibilities:<ul><li>Perform insurance collections follow-up on outstanding hospital claims with a focus on HMO and PPO payers.</li><li>Contact insurance companies and payers to obtain claim status, secure payment, and resolve unpaid or underpaid accounts.</li><li>Review and work hospital UB04 claims to ensure accurate billing and proper reimbursement..</li><li>Investigate and resolve claim denials, rejections, underpayments, and payment delays.</li><li>Submit corrected claims, supporting documentation, and appeals as needed to facilitate payment resolution.</li><li>Follow up on aged accounts receivable and maintain productivity in line with departmental goals.</li><li>Document all collection activity, account updates, and payer communications in the billing system.</li><li>Collaborate with billing, coding, and patient financial services teams to resolve claim discrepancies and improve reimbursement outcomes.</li><li>Monitor payer trends and escalate recurring issues impacting collections.</li></ul> Qualifications:<ul><li>3+ years of experience in medical insurance collections, insurance follow-up, or healthcare accounts receivable..</li><li>Hospital billing or collections experience required.</li><li>Strong knowledge of HMO and PPO insurance plans, payer guidelines, and reimbursement processes.</li><li>Experience working with UB04 claims required.</li><li>Familiarity with denial management, appeals, and claim resolution processes</li><li>Strong attention to detail, organizational skills, and ability to manage a high-volume workload..</li><li>Excellent communication and problem-solving skills..</li><li>Proficiency with hospital billing systems and electronic medical records preferred.</li></ul>
2026-11-07T00:00:00Z

18 results for Medical Office Administrator in Thousand Oaks, CA