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15 results for Medical Office Administrator in Riverside, CA

Office Manager
  • Pasadena, California
  • onsite
  • Temporary / Contract
  • 23 - 25 USD / Hourly
  • <p>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.</p><p>How you will make an impact</p><p>·        Leading overall office administration</p><p>·        Handling copy services, word processing, mail and distribution services, office reception, office equipment, utility services and communication systems</p><p>·        Evaluating and improving office production</p><p>·        Assisting in developing and revising office policies and procedure for improved work flow</p><p>·        Assisting the Operations Manager and Director in monitoring budget for office related items and staff</p><p><br></p>
  • 2026-09-17T00:00:00Z
Office Manager
  • Fullerton, California
  • onsite
  • Temporary to Hire
  • 22 - 25 USD / Hourly
  • We are looking for an experienced and proactive Office Manager to support daily operations and deliver an excellent client experience in our California office. This contract-to-permanent opportunity is ideal for someone who enjoys balancing administrative coordination with client interaction in a client-focused services setting. The right candidate will bring strong organizational skills, sound judgment, and a service-focused approach to keeping the office running efficiently.<br><br>Responsibilities:<br>• Serve as the first point of contact for clients, providing courteous assistance by phone, email, and in person.<br>• Coordinate calendars and arrange appointments for tax preparation, consultations, and new client meetings.<br>• Assemble, review, and maintain client files so records are complete and ready ahead of scheduled appointments.<br>• Track incoming correspondence, manage mail and electronic communications, and direct inquiries to the appropriate team members.<br>• Update client information within office systems and help ensure records remain accurate and current.<br>• Guide new clients through the intake process, collecting required documentation and supporting a seamless onboarding experience.<br>• Provide administrative support to tax professionals through document preparation, task coordination, and workflow follow-up.<br>• Oversee office supply levels, place vendor orders, and help maintain a clean, organized, and functional workspace.<br>• Identify process improvement opportunities that strengthen operational efficiency and enhance client service while safeguarding sensitive information.
  • 2026-09-08T00:00:00Z
Medical Billing Specialist
  • Los Angeles, California
  • onsite
  • Temporary to Hire
  • 25 - 32 USD / Hourly
  • <p>A Premier Healthcare Provider in the region, committed to providing quality and compassionate care to all our patients. The company is currently looking for a diligent Medical Biller to join its growing team. The ideal Medical Biller should have a deep understanding of billing procedures and be able to carry out his/her role with absolute precision. The Medical Biller is expected to have impeccable medical billing an in-depth knowledge of medical insurance, and the drive to ensure that our patients receive their invoices on time. Medicare billing is a big plus. </p><p>Responsibilities:</p><p>• Ensure timely submission of medical bills to different insurance companies.</p><p>• Conduct verification of patients&#39; insurance coverage.</p><p>• Review explanations of benefits.</p><p>• Determine the patient&#39;s financial status and capability to pay their bills.</p><p>• Apply appropriate codes to billable goods and services.</p><p>• Address and resolve patient complaints regarding bills.</p><p>• Maintain confidentiality and comply with all federal and state health information privacy laws.</p><p>• Monitor and record late payments.</p><p>• Regularly report to the Billing Manager.</p>
  • 2026-09-25T00:00:00Z
Administrative Assistant
  • Irvine, California
  • onsite
  • Temporary to Hire
  • 25 - 31 USD / Hourly
  • We are looking for an experienced and dependable Administrative Assistant to support daily office operations in Irvine, California. This contract opportunity is ideal for someone who enjoys creating an organized, welcoming workplace while handling a range of administrative and front desk responsibilities. The person in this role will manage sensitive information with discretion, keep office services running smoothly, and provide timely support to employees, visitors, and leadership.<br><br>Responsibilities:<br>• Welcome guests and team members professionally, manage front desk interactions, and guide visitors to the appropriate contacts.<br>• Keep the reception and lobby areas orderly, presentable, and aligned with workplace safety expectations.<br>• Administer employee and visitor badge activities, including issuance, tracking, and related record maintenance.<br>• Sort, distribute, and prepare incoming and outgoing mail to support efficient daily office communication.<br>• Monitor break areas and replenish kitchen and refreshment supplies to maintain a functional office environment.<br>• Oversee office inventory by tracking stock levels, placing supply orders, and confirming deliveries from vendors.<br>• Provide general administrative support such as document preparation, filing, scanning, copying, data entry, and record organization.<br>• Contribute to a cooperative office atmosphere by supporting team needs and assisting with additional assignments from management as needed.
  • 2026-09-28T00:00:00Z
Administrative Assistant
  • City of Industry, California
  • onsite
  • Temporary / Contract
  • 20 - 23 USD / Hourly
  • <p>Duties:</p><p>• Support the day-to-day functions of assigned projects by meeting deadlines; responding to incoming requests for information, maintaining electronic records and files, etc.</p><p>• Create and prepare correspondence</p><p>• Schedule appointments and coordinate department meetings,</p><p>• Coordinate department travel arrangements, ensuring the coordination of information within the department</p><p>• Professional demeanor required with the ability to interact with colleagues; corporate/business representatives, elected and appointed officials, members of the Board of Directors, and the general public;</p><p>• Adhere to attendance and punctuality standards of the organization.</p><p>• Such other duties as may be assigned as needed.</p><p>Qualifications:</p><p>• Evidence of effective time management skills required with success in being accountable for specific outcomes.</p><p>• Exceptional office skills with the ability to multi-task various priorities,</p><p>• Highly detailed-oriented,</p><p>• College degree preferred;</p><p>• Minimum of two years’ experience in nonprofit development or prior experience in a non-profit or similar organization;</p><p>• Excellent oral, written, and interpersonal communications skills;</p><p>• Strong attention to detail with accuracy and organizational skills required;</p><p>• Willingness to take initiative to make improvements, enhance departmental efficiency, solve problems, take direction from multiple management sources, and effectively handle change;</p><p>• Ability to be flexible and balance competing priorities while supporting and executing an event;</p><p>• Ability to exercise sound judgement and work effectively under pressure;</p><p>• Ability to maintain professionalism, discretion and confidentiality in all situations;</p><p>• Must be available for overtime/flexible scheduling and periodic travel </p><p>• Ability to speak Spanish, a plus</p>
  • 2026-09-18T00:00:00Z
Administrative Assistant
  • Pasadena, California
  • onsite
  • Temporary / Contract
  • 23 - 25 USD / Hourly
  • <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>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.</p><p>·        Answer phones and greet visitors</p><p>·        Schedule appointments and maintain calendars</p><p>·        Schedule and coordinate staff and other meetings</p><p>·        Collate and distribute mail</p><p>·        Prepare communications, such as memos, emails, invoices, reports and other correspondence</p><p>·        Write and edit documents from letters to reports and instructional documents</p><p>·        Create and maintain filing systems, both electronic and physical</p><p><br></p><p>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</p>
  • 2026-09-17T00:00:00Z
Administrative Assistant
  • Monrovia, California
  • onsite
  • Temporary / Contract
  • 22 - 23 USD / Hourly
  • <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>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. </p><p>How you will make an impact</p><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><p><br></p><p>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 </p>
  • 2026-09-17T00:00:00Z
Administrative Assistant
  • Orange, California
  • onsite
  • Temporary to Hire
  • 24.7 - 28.6 USD / Hourly
  • We are looking for an Administrative Assistant to support a fast-paced billing and office operations environment. This contract opportunity with potential for a permanent role is ideal for someone who thrives on accuracy, organization, and consistent follow-through while managing a high volume of invoicing and related administrative tasks. The person in this role will help keep billing records current, coordinate with internal teams and customers to gather required documentation, and ensure submissions are completed according to client-specific guidelines.<br><br>Responsibilities:<br>• Manage a large daily invoicing workload, handling roughly 50 or more billing transactions with a strong focus on timeliness and accuracy.<br>• Examine inspection documents, quoted service work, and completed job activity to prepare invoices that reflect the correct billable details.<br>• Confirm that inspection approvals and supporting paperwork are complete before releasing invoices for processing.<br>• Communicate with coworkers and customers to obtain missing reports, clarify incomplete billing details, and keep invoicing on schedule.<br>• Submit invoices through customer billing portals while following each account’s specific formatting and documentation requirements.<br>• Maintain billing logs and tracking spreadsheets to monitor completed work, invoice progress, pending items, and outstanding follow-up needs.<br>• Investigate rejected invoices, payment questions, and other billing discrepancies, then take appropriate steps to resolve outstanding issues.<br>• Provide general administrative support that may include data entry, handling inbound calls, and front-office assistance as needed.
  • 2026-09-28T00:00:00Z
Administrative Assistant
  • Long Beach, California
  • onsite
  • Temporary to Hire
  • 19 - 22 USD / Hourly
  • <p>We are looking for an Administrative Assistant to support property management and leasing operations in Long Beach, California. This contract opportunity with permanent potential is ideal for someone who is highly organized, comfortable in a busy housing environment, and confident managing administrative details with accuracy. The role focuses on leasing support, resident documentation, compliance coordination, and day-to-day office assistance while working closely with site teams and property management staff.</p><p><br></p><p>Responsibilities:</p><p>• Support daily office functions for property management and leasing teams, including phone coverage, document handling, and general administrative coordination.</p><p>• Maintain organized resident and tenant records, ensuring lease files, compliance documents, and supporting paperwork remain current and complete.</p><p>• Assist with leasing administration by processing applications, preparing move-in and move-out documentation, and responding to resident correspondence.</p><p>• Enter, update, and review resident, leasing, and property information in Yardi with a high level of accuracy.</p><p>• Monitor important timelines such as annual recertifications, lease renewals, and required compliance submissions to help keep operations on schedule.</p><p>• Prepare reports, letters, notices, and other business documents needed to support site and property management activities.</p><p>• Work with on-site staff, property managers, and outside partners to facilitate smooth communication and consistent administrative support.</p><p>• Help ensure affordable housing documentation aligns with tax credit program requirements and applicable housing compliance standards.</p>
  • 2026-09-28T00:00:00Z
Administrative Assistant
  • Orange, California
  • onsite
  • Temporary to Hire
  • 31.9675 - 37.015 USD / Hourly
  • We are looking for a highly organized and detail-oriented Administrative Assistant to join our team in Orange, California. This is a Contract to permanent opportunity, offering the chance to grow within the organization while contributing to a dynamic and collaborative office environment. The ideal candidate will be tech-savvy, familiar with QuickBooks Desktop, and capable of managing various administrative and bookkeeping tasks effectively.<br><br>Responsibilities:<br>• Manage scheduling and calendar activities to ensure smooth daily operations.<br>• Oversee general office management tasks, including maintaining supplies and organizing workflows.<br>• Process invoices, write checks, and handle occasional banking errands.<br>• Perform light bookkeeping and accounting duties to support financial operations.<br>• Provide administrative support by answering calls, managing data entry, and assisting with receptionist duties.<br>• Utilize QuickBooks Desktop for financial record-keeping and related tasks.<br>• Collaborate with the team to ensure efficient property management.<br>• Maintain an organized workspace, adhering to business casual dress code.
  • 2026-09-28T00:00:00Z
Administrative Assistant
  • Alhambra, California
  • onsite
  • Temporary / Contract
  • 23 - 25 USD / Hourly
  • <p>Opportunities for top Administrative Assistant (Administrative Coordinator / Administrative Associate)</p><p>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.</p><p>·        Answer phones and greet visitors</p><p>·        Schedule appointments and maintain calendars</p><p>·        Schedule and coordinate staff and other meetings</p><p>·        Collate and distribute mail</p><p>·        Prepare communications, such as memos, emails, invoices, reports and other correspondence</p><p>·        Write and edit documents from letters to reports and instructional documents</p><p>·        Create and maintain filing systems, both electronic and physical</p><p><br></p><p>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</p>
  • 2026-09-17T00:00:00Z
Administrative Assistant
  • Fallbrook, California
  • onsite
  • Temporary / Contract
  • 23 - 27 USD / Hourly
  • <p><strong>Robert Half is hiring an Administrative Assistant to join a busy professional services organization in Fallbrook.</strong> This role is ideal for someone who is polished, organized, and naturally good at keeping a busy office running smoothly. You’ll support multiple members of the team, coordinate schedules and meetings, maintain documents, communicate with clients and vendors, and take ownership of the small details that keep the office moving.</p><p><strong>What You’ll Do:</strong></p><ul><li>Provide day-to-day administrative support to managers and department leaders</li><li>Manage calendars and coordinate internal and external meetings</li><li>Schedule conference rooms, appointments, and team meetings</li><li>Answer and route phone calls and emails</li><li>Prepare correspondence, documents, reports, and presentations</li><li>Maintain electronic and physical files</li><li>Coordinate incoming and outgoing mail, packages, and deliveries</li><li>Order office supplies and monitor inventory</li><li>Assist with expense reports and invoice documentation</li><li>Coordinate travel arrangements and itineraries as needed</li><li>Help prepare meetings, presentations, and internal events</li><li>Update spreadsheets, contact lists, and internal databases</li><li>Assist with onboarding new employees and preparing office materials</li><li>Communicate with vendors, clients, and building management</li><li>Help coordinate office maintenance and service requests</li><li>Handle confidential information with discretion</li><li>Take on special projects and additional administrative responsibilities as needed</li></ul>
  • 2026-09-28T00:00:00Z
Administrative Assistant
  • Fountain Valley, California
  • onsite
  • Temporary / Contract
  • 19.7885 - 22.913 USD / Hourly
  • We are looking for a detail-oriented Administrative Assistant to support daily office operations for a government-focused environment in Fountain Valley, California. This Long-term Contract position is ideal for someone who can manage a steady volume of administrative tasks, maintain accurate records, and communicate effectively with vendors and internal stakeholders. The successful candidate will bring strong organizational skills, sound judgment, and the ability to keep invoice and contract activities moving efficiently.<br><br>Responsibilities:<br>• Process a high daily volume of invoices with accuracy and timeliness to support ongoing operational needs.<br>• Enter invoice details and related records into organizational systems while maintaining complete and up-to-date documentation.<br>• Coordinate payment activity by reviewing invoice status, confirming required information, and helping ensure obligations are handled promptly.<br>• Act as a liaison between vendors and internal teams to share updates, address questions, and keep transactions on track.<br>• Route contracts and supporting paperwork to the appropriate parties for review, approval, and follow-through.<br>• Provide regular status updates on administrative items and communicate clearly when follow-up or corrections are needed.<br>• Perform general office support duties, including handling inbound calls and assisting with front-desk or receptionist-related tasks as needed.
  • 2026-09-24T00:00:00Z
Medical Claims Examiner
  • San Bernadino, California
  • onsite
  • Temporary / Contract
  • 26 - 33 USD / Hourly
  • <p>We are seeking a detail-oriented Medical Claims Examiner to join our team. In this role, you will review, analyze, and process medical claims accurately and efficiently while ensuring compliance with company policies, client requirements, and regulatory guidelines. The ideal candidate will have strong knowledge of claims adjudication, medical terminology, and healthcare insurance processes. Experience with EZ-CAP is a plus, and grievances experience is highly preferred.</p><p>Key Responsibilities:</p><ul><li>Review and process medical claims for accuracy, completeness, and eligibility</li><li>Analyze claims to determine coverage, payment, and denial outcomes</li><li>Research and resolve claim discrepancies, adjustments, and pended claims</li><li>Interpret provider contracts, benefit plans, and reimbursement guidelines</li><li>Ensure timely adjudication of claims in accordance with turnaround standards</li><li>Investigate and respond to inquiries related to claims status, denials, and escalations</li><li>Maintain accurate documentation of claim actions and decisions</li><li>Collaborate with internal departments, providers, and health plan representatives to resolve complex claims issues</li><li>Assist with appeals and grievance-related cases as needed</li><li>Stay current on policies, procedures, and regulatory requirements affecting claims processing</li></ul><p><br></p>
  • 2026-09-14T00:00:00Z
Inpatient Care Coordinator
  • Long Beach, California
  • onsite
  • Temporary to Hire
  • 23 - 27 USD / Hourly
  • <p>A healthcare company is looking for a detail-oriented <strong>Inpatient Care Coordinator</strong> to support care management efforts in Long Beach, California. This InPatient Care Coordinator role is ideal for someone who enjoys coordinating patient support activities, communicating with providers and patients by phone, and keeping clinical information accurate and up to date. The inpatient care coordinator role will help the team track patient needs after hospitalization, organize care-related information, and contribute to timely follow-up across a busy healthcare environment.</p><p><br></p><p><strong>Key Responsibilities:</strong></p><p>• Place outbound calls to patients and healthcare providers to coordinate follow-up care and gather needed information.</p><p>• Enter and update case information accurately while managing a steady daily volume of patient records and care activity.</p><p>• Review hospital discharge reports to identify patients who may need additional attention and escalate concerns to the appropriate care team members.</p><p>• Assist with health risk screening activities under the direction of nursing staff and document findings clearly.</p><p>• Maintain complete and organized patient records to support continuity of care and internal care management workflows.</p><p>• Provide coverage for fellow coordinators when needed to help the department maintain consistent service levels.</p><p>• Support appointment and scheduling-related coordination tasks that help patients move through post-discharge care plans efficiently.</p><p><br></p><p><strong>Benefits:</strong> Health, Dental, Vision, 401k, and Sick Time Off. </p>
  • 2026-09-28T00:00:00Z