15 Results for Medical Office Administrator Jobs in Riverside, CA

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Office Manager

Fullerton, CA
onsite
Temporary to Hire
7000 - 75000 USD / Yearly
We are looking for an experienced and organized Office Manager to support daily operations and deliver an exceptional client experience. This contract-to-permanent opportunity is ideal for someone who enjoys working directly with clients, keeping office activity on track, and contributing to a service-focused environment. The position offers the chance to play a central role in administrative coordination while helping the team maintain efficient, responsive service. Responsibilities: • Serve as a primary point of contact for clients by managing calls, messages, and in-person interactions with professionalism and care. • Arrange appointments, consultations, and intake meetings while keeping calendars accurate and organized. • Assemble, review, and maintain client files to confirm required paperwork is collected before scheduled meetings. • Respond to routine client questions and direct more specialized matters to the appropriate team member. • Oversee incoming mail, email traffic, and general office communications to support smooth day-to-day operations. • Keep client information current within internal systems and maintain accurate administrative records. • Guide new clients through the intake process and help create a seamless onboarding experience. • Provide administrative support to tax and accounting staff, including document coordination and workflow follow-through. • Track office inventory, place supply orders, and coordinate with vendors to maintain a well-run workspace. • Recommend and implement practical improvements that increase efficiency, organization, and service quality.
2026-10-23T00:00:00Z

Office Manager

Long Beach, CA
onsite
Temporary / Contract
28.5 - 33 USD / Hourly
We are looking for an organized and resourceful Operations Manager to support daily operations for a Non-Profit based in Long Beach, California. This role combines office administration, front-desk coordination, vendor oversight, and financial support in a fast-paced environment. The ideal candidate will help keep workplace processes efficient, ensure supplies and services are well managed, and contribute to event coordination and onboarding activities. Responsibilities:• Oversee day-to-day administrative operations to keep the office running smoothly and efficiently.• Coordinate purchasing activities for office materials and monitor inventory levels to prevent shortages.• Serve as a primary front-desk point of contact by greeting visitors, answering inquiries, and directing communications appropriately.• Process accounts payable tasks, including reviewing invoices, coordinating approvals, and supporting timely payments.• Build and maintain productive relationships with external vendors, service providers, and office partners.• Support commercial property-related administrative needs by helping coordinate facility matters and service requests.• Assist with nonprofit and fund accounting support activities in alignment with organizational procedures.• Organize community-facing and internal events by managing logistics, schedules, and vendor coordination.• Facilitate onboarding activities for new hires, including preparing materials and coordinating office readiness.
2026-11-09T00:00:00Z

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

Office Manager

San Clemente,, CA
onsite
Temporary / Contract
26.6 - 30.8 USD / Hourly
We are looking for an organized and proactive Office Manager to support daily operations for a large residential community in San Clemente, California. This Contract position will play a key role in coordinating administrative functions, property support activities, vendor relationships, and resident service needs while helping maintain a high standard across shared spaces and facilities. The ideal candidate is comfortable balancing office management duties with project tracking, communication, and customer service in a fast-paced environment. Responsibilities: • Coordinate daily office and community support operations to help maintain shared amenities, parks, and common areas in line with established expectations. • Manage relationships with outside vendors, contractors, and service partners by monitoring performance, confirming service quality, and supporting contract adherence. • Collect pricing, evaluate proposals, and assist with service agreement administration, including support for bid requests and contract documentation. • Track maintenance activities, reserve projects, and improvement initiatives, helping ensure timelines, updates, and related records remain current. • Perform routine site reviews and walkthroughs to identify maintenance concerns, follow up on action items, and support overall community appearance. • Oversee work order flow and resident service requests, coordinating timely responses and helping drive issue resolution. • Prepare operational reports, budget-related materials, cost comparisons, and meeting documentation for leadership and Board review. • Share updates with residents, management, and Board members regarding ongoing projects, service matters, and community information. • Provide administrative support for community meetings and events while handling front office tasks such as reception coverage, office supply management, and basic accounts payable support.
2026-11-05T00:00:00Z

Medical Data Entry Clerk

Huntington Beach, CA
onsite
Temporary / Contract
17.4135 - 22 USD / Hourly
We are looking for a detail-oriented Medical Data Entry Clerk to support pharmacy credentialing and administrative documentation in Huntington Beach, California. This is a Contract position focused on organizing records, completing form-driven submissions, and maintaining accurate information across spreadsheets, PDFs, and online portals. The ideal candidate is comfortable handling high-volume clerical tasks in a healthcare setting and can help keep licensing, enrollment, and contracting activities on schedule. Responsibilities:• Enter, update, and verify pharmacy-related information in spreadsheets, credentialing files, and web-based systems to support accurate recordkeeping.• Prepare and submit documentation for pharmacy licenses, renewals, amendments, and related compliance materials with close attention to deadlines.• Maintain current records for pharmacy credentials, registrations, identifiers, and supporting documents used in enrollment and contracting activities.• Complete and track provider enrollment and revalidation forms for government and commercial programs, ensuring required information is accurate and complete.• Assist with payor contracting administration by organizing participation documents, updating contract records, and following up on renewal requirements.• Review PDFs, templates, and source documents to transfer data into required formats for applications, credentialing packets, and portal submissions.• Communicate with agencies, payers, pharmacies, and internal team members to resolve missing information and address submission issues.• Monitor due dates and documentation status across multiple active files, escalating items that may impact compliance or reimbursement timelines.
2026-11-07T00:00:00Z

Benefits Administrator

Cerritos, CA
onsite
Permanent / Full Time
60000 - 70000 USD / Yearly
We are looking for an experienced Benefits Administrator to support payroll and employee benefits operations for a multi-entity organization in Cerritos, California. This role combines day-to-day administration with careful review of payroll and benefits data, ensuring accurate processing, strong internal controls, and compliance with applicable regulations. The ideal candidate brings deep knowledge of benefits coordination, payroll systems, and employee support while handling sensitive information with discretion and meeting critical deadlines. Responsibilities: • Manage regular payroll processing across multiple business entities, employee groups, and work locations using Paylocity, ensuring accuracy and timeliness. • Review and reconcile payroll records, exception reports, and supporting documentation while partnering with Finance on reporting and ledger-related items. • Administer payroll changes such as hires, separations, pay updates, incentive payments, deductions, garnishments, tax withholdings, and direct deposit setup. • Monitor timekeeping details, approvals, overtime calculations, and premium pay requirements to support compliance with wage and hour standards. • Resolve payroll and benefits issues by researching discrepancies, answering employee questions, and coordinating corrections when needed. • Oversee employee benefits programs including medical, dental, vision, life, COBRA, leave-related matters, and 401(k) administration. • Coordinate benefit enrollment activity for new employees, open enrollment periods, qualifying life events, eligibility updates, and terminations. • Reconcile carrier invoices, benefit deductions, and enrollment data across payroll and vendor systems, addressing inconsistencies promptly. • Work with brokers, insurance carriers, retirement plan partners, and other vendors to maintain smooth benefits administration and service delivery. • Strengthen payroll and benefits procedures by maintaining calendars, documentation, internal controls, compliance records, and process improvement initiatives, including support for year-end reporting and required filings.
2026-10-29T00:00:00Z

Administrative Assistant

Redlands, CA
onsite
Temporary to Hire
21.85 - 23 USD / Hourly
We are looking for a highly organized Administrative Assistant to support office operations for a busy hazardous waste company in Redlands, California. This contract opportunity is well suited for someone who works efficiently in a high-volume setting, manages shifting priorities with confidence, and maintains strong accuracy across daily tasks. The role will contribute to smooth administrative workflows by coordinating documentation, assisting the team with essential office support, and helping keep records and communication organized. Responsibilities: • Prepare and assemble packets, forms, and supporting materials needed for daily business activities. • Create purchase orders with a high level of accuracy and ensure related information is entered correctly. • Provide day-to-day administrative support to office staff and help maintain efficient workflow across the team. • Handle inbound calls and front-desk style duties in a thorough and responsive manner. • Enter, update, and verify data while maintaining organized and accessible office records. • Balance multiple assignments at once, adjusting to changing deadlines in a fast-paced environment. • Use Microsoft Word, Excel, and Teams to complete correspondence, track information, and support internal communication.
2026-11-06T00:00:00Z

Administrative Assistant

Adelanto, CA
onsite
Temporary / Contract
19 - 22 USD / Hourly
We are looking for an Administrative Assistant to provide dependable operational support for a non-profit organization in California. This Long-term Contract position is well suited for someone who can manage office priorities, maintain accurate records, and assist leadership with day-to-day administrative and financial tasks. The ideal candidate is organized, detail-oriented, and comfortable handling a mix of clerical coordination, reporting, scheduling, and confidential administrative work. Responsibilities: • Provide administrative support to leadership by managing correspondence, preparing documents, and keeping daily office activities organized. • Receive and route incoming calls and visitors in a courteous manner while supporting front-desk and general office coverage needs. • Maintain files, logs, and records with accuracy, including document tracking, retention materials, and other administrative documentation. • Assist with data entry, reporting, and preparation of supporting schedules to help departments maintain accurate operational and financial information. • Coordinate calendars, arrange meetings, and support master scheduling to ensure timely communication and efficient use of leadership time. • Prepare customized and department-specific reports by gathering information, formatting documents, and verifying details before distribution. • Support finance-related administrative duties by organizing materials, tracking information, and assisting with routine clerical tasks tied to department operations. • Handle sensitive information with discretion while providing administrative assistance across multiple management and support functions, including occasional human resources support as needed.
2026-11-05T00:00:00Z

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

Monrovia, CA
onsite
Temporary / Contract
22 - 23 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. How you will make an impact<ul><li>Fielding telephone calls</li><li>Receiving and directing visitors</li><li>Word processing, filing and faxing</li><li>Support on diverse projects for other employees as needed</li></ul> 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

Costa Mesa, CA
onsite
Permanent / Full Time
65000 - 70000 USD / Yearly
Administrative AssistantLocation: Costa Mesa or Los Angeles, CACompensation: $65,000-$70,000 DOESchedule: Full-time, onsite A well-established Southern California law firm is seeking an organized and tech-savvy Administrative Assistant to support a busy litigation team handling a high-volume caseload. This is an excellent opportunity to join a collaborative, long-tenured team known for its strong culture, complex matters, and commitment to employee support. Responsibilities<ul><li>Maintain and audit large volumes of case files and documents</li><li>Organize, rename, and manage electronic files and records</li><li>Ensure documents are accurately stored, easily accessible, and up to date</li><li>Support a litigation team handling a high-volume client portfolio</li><li>Assist with administrative and overflow projects as needed</li></ul>Why You'll Love This Opportunity<ul><li>Stable firm with exceptional employee retention</li><li>Collaborative, team-oriented environment</li><li>Exposure to sophisticated, high-profile matters</li><li>Opportunity for growth and additional legal support responsibilities over time</li><li>Supportive leadership team that values employee well-being</li></ul>Compensation & Benefits<ul><li>$65,000-$70,000 base salary</li><li>Medical, dental, and vision coverage</li><li>401(k) plan</li><li>Paid holidays, vacation, and sick time</li><li>Free parking</li><li>FSA, life insurance, and long-term disability coverage</li></ul>
2026-10-14T00:00:00Z

Administrative Assistant

Irvine, CA
onsite
Temporary to Hire
29.45 - 34.1 USD / Hourly
We are looking for an experienced Administrative Assistant to join a collaborative office on a contract-to-permanent basis. This position supports daily office operations, provides a detail-oriented point of contact for consultants and subcontractors, and handles a range of administrative and accounting-related tasks. The ideal candidate is comfortable working onsite, communicates openly when support is needed, and brings strong Excel skills along with a team-first mindset. Responsibilities: • Manage day-to-day administrative activities to keep office operations organized and running smoothly. • Serve as a welcoming and detail-oriented contact for consultants, subcontractors, and other visitors interacting with the office. • Answer inbound calls, respond to routine inquiries, and direct requests to the appropriate team members. • Enter, update, and maintain records with accuracy, including data tied to administrative accounting support. • Use Excel regularly to prepare, organize, and track information for reporting and internal coordination. • Provide receptionist coverage and general front-office support in an onsite office environment. • Assist with ad hoc projects and administrative requests as business needs evolve. • Communicate proactively with the team when questions arise or additional guidance is needed to complete assignments effectively.
2026-11-09T00:00:00Z

Administrative Assistant

Diamond Bar, CA
remote
Temporary / Contract
22 - 24 USD / Hourly
We are looking for an experienced Administrative Assistant to support daily operations for a manufacturing organization in California. This Long-term Contract position is ideal for someone who brings strong coordination skills, clear communication, and an experienced approach to managing schedules, meetings, and office support tasks. The successful candidate will help keep administrative activities organized, provide reliable day-to-day assistance, and contribute to a focused and efficient work environment. Responsibilities: • Coordinate calendars, schedule appointments, and manage meeting logistics to ensure leaders and teams stay organized. • Prepare for meetings by arranging agendas, organizing materials, and confirming timing, attendees, and virtual or onsite details. • Record key discussion points during meetings and distribute accurate, timely summaries and action items. • Handle travel planning and event support, including reservations, itineraries, and coordination with internal and external participants. • Perform basic research and gather information needed to support projects, meetings, and administrative requests. • Provide phone and email support by responding to inquiries and directing messages to the appropriate contacts. • Maintain administrative records, enter data accurately, and help keep documentation current and accessible. • Act as a proactive point of communication by following up on tasks, sharing updates, and anticipating administrative needs.
2026-10-29T00:00:00Z

Administrative Assistant

Fallbrook, CA
onsite
Temporary / Contract
22 - 26 USD / Hourly
A busy field services company is looking for a resourceful Administrative Assistant to support office operations and coordinate the paperwork behind its day-to-day projects. This role offers variety, from managing schedules and organizing project files to communicating with vendors and helping field personnel stay on top of deadlines. The ideal candidate is proactive, organized, and comfortable balancing several priorities at once.What You’ll Do:<ul><li>Provide administrative support to managers, project teams, and field personnel.</li><li>Coordinate calendars, meetings, appointments, and project-related schedules.</li><li>Prepare, format, and maintain reports, correspondence, and project documentation.</li><li>Organize work orders, service records, contracts, and vendor paperwork.</li><li>Enter purchase orders, invoice details, and job information into company systems.</li><li>Communicate with vendors and subcontractors regarding paperwork and scheduling.</li><li>Track outstanding documents, approvals, and upcoming deadlines.</li><li>Assist with expense reports, invoice routing, and basic purchasing coordination.</li><li>Maintain electronic filing systems and ensure records are current.</li><li>Help identify administrative bottlenecks and improve office organization.</li></ul>
2026-11-02T00:00:00Z

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

15 results for Medical Office Administrator in Riverside, CA