12 Results for Medical Office Administrator Jobs in Fairfield, CA

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Medical Administrator

Oakland, CA
onsite
Temporary / Contract
23.75 - 27.5 USD / Hourly
We are looking for a Medical Administrator to support daily clinical and administrative operations in Oakland, California. This Long-term Contract position is ideal for someone who is comfortable working in a back-office setting while also assisting with patient-facing tasks such as intake and check-in. The role offers a permanent schedule with flexibility in start times, rotating holiday coverage, and one weekend shift each month. Responsibilities:• Prepare patients for visits by escorting them to exam rooms, gathering basic information, and ensuring they are ready for clinical staff.• Welcome patients at arrival, complete registration activities, and help maintain an organized and efficient front-desk flow when needed.• Confirm active coverage and review benefits with insurance providers to support accurate patient access and billing readiness.• Enter and update patient information in the electronic medical record system with a high level of accuracy and attention to detail.• Coordinate appointments, manage schedule adjustments, and communicate clearly with patients regarding visit timing and follow-up needs.• Support day-to-day administrative operations in a medical office environment while maintaining professionalism and patient confidentiality.• Participate in weekend and holiday coverage on a rotating basis in alignment with department scheduling needs. If you are interested in this role please apply today and call us at (510)470-7450
2026-10-02T00:00:00Z

Office Manager

Woodland, CA
onsite
Permanent / Full Time
75000 - 90000 USD / Yearly
We are looking for an organized and resourceful Office Manager/Bookkeeper to support daily business operations of a small construction business in Woodland, CA. This position oversees front-office coordination, financial administration, and key employee support activities to help the workplace run efficiently. The ideal candidate brings strong attention to detail, sound judgment, and the ability to manage multiple priorities in a structured office environment. For immediate consideration, please contact Shantel Poole via LinkedIn or call 916-649-0832. Responsibilities:• Coordinate daily office operations to maintain an efficient, well-organized workplace and ensure administrative and accounting needs are addressed promptly.• Manage purchasing for office materials and track inventory levels so supplies remain stocked and available for staff use.• Handle accounts payable tasks, including reviewing bills, preparing payments, and maintaining accurate invoice records.• Support accounts receivable activities by monitoring incoming payments, recording transactions, and following up as needed.• Serve as the first point of contact for visitors and incoming communications, providing courteous and efficient front-desk support.• Process payroll for a small employee population and help maintain accurate payroll documentation and schedules.• Assist with human resources administration, including employee records, onboarding support, and routine policy-related documentation.• Maintain organized financial and administrative files to support reporting, compliance, and day-to-day office management.
2026-10-16T00:00:00Z

Office Manager

Richmond, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
We're seeking a proactive, organized, and resourceful Office Manager to oversee daily office operations and serve as the central point of coordination across administrative functions. This individual will be responsible for ensuring the office runs efficiently while providing support to leadership, managing vendor relationships, coordinating facilities needs, and fostering a positive workplace environment. The ideal candidate is a natural problem-solver who thrives in a fast-paced environment, can manage competing priorities, and brings strong communication and organizational skills. This role requires someone who is comfortable taking ownership of projects, improving processes, and supporting both employees and leadership teams. Responsibilities:<ul><li>Oversee day-to-day office activities and ensure smooth business operations.</li><li>Manage office supplies, equipment, and inventory, maintaining relationships with vendors and service providers.</li><li>Coordinate office maintenance, repairs, and facilities-related requests.</li><li>Ensure conference rooms, common areas, and office spaces remain professional and organized.</li><li>Provide administrative support to leadership and cross-functional teams.</li><li>Prepare correspondence, reports, presentations, and meeting materials.</li><li>Handle confidential information with professionalism and discretion.</li><li>Serve as the primary contact for vendors, contractors, and building management.</li><li>Manage purchase orders, invoices, and office-related budgets.</li></ul>
2026-10-16T00:00:00Z

Medical Biller

Walnut Creek, CA
onsite
Temporary / Contract
24.5385 - 28.413 USD / Hourly
We are looking for a detail-oriented Medical Biller to support billing and coding operations in California. This is a contract position beginning at approximately 20 hours per week, with the potential to move into a permanent schedule based on business needs and performance. The person in this role will help maintain accurate claim processing, coding quality, and follow-up with commercial payers while supporting steady revenue cycle operations. Responsibilities:• Prepare and submit medical claims using accurate coding and billing practices for outpatient services.• Review clinical and billing information to assign appropriate ICD-10 and CPT codes and reduce claim errors.• Manage follow-up activities for unpaid or underpaid claims, including collection efforts with commercial insurance carriers.• Investigate billing discrepancies, correct claim issues, and resubmit documentation when needed to support reimbursement.• Use Quicken to maintain organized financial records and assist with billing-related tracking tasks.• Communicate with insurers and internal stakeholders to resolve payment questions and support timely account resolution.• Monitor account status and take action on outstanding balances to improve collections performance. If you are interested in this role, please apply today and call us at (510) 470-7450
2026-10-05T00:00:00Z

Benefits Administrator

Sacramento, CA
onsite
Permanent / Full Time
75000 - 90000 USD / Yearly
We are looking for a Benefits Administrator to support human resources operations for a mission-driven non-profit organization based in Sacramento, California. This position serves as a key point of contact for employees and managers, helping ensure benefit programs, leave administration, and related HR services are handled accurately and professionally. The role also contributes to onboarding, employee support, and day-to-day HR coordination across a geographically distributed workforce. For immediate consideration, please contact Shantel Poole via LinkedIn or call 916-649-0832. Responsibilities:• Administer employee benefit programs and support enrollment, changes, and ongoing coordination with accuracy and attention to deadlines.• Respond to questions from employees, applicants, and supervisors regarding HR policies, benefit matters, and general employment-related requests, escalating sensitive issues when needed.• Coordinate leave of absence processes, including tracking documentation, maintaining communication, and helping employees and managers understand next steps.• Assist with onboarding activities, employee status updates, and the maintenance of organized and accurate personnel records.• Support recruiting logistics by coordinating interviews, communications, and related hiring activities.• Contribute to employee relations processes by helping prepare documentation, participating in meetings when appropriate, and supporting follow-up actions.• Help administer HR programs that may include compensation, accommodations, performance support, safety-related matters, and offboarding activities.
2026-10-05T00:00:00Z

Medical Billing Specialist

French Camp, CA
onsite
Temporary to Hire
20.9 - 24.2 USD / Hourly
We are looking for a detail-oriented Medical Billing Specialist to join our healthcare team in French Camp, California. This Contract to permanent position requires expertise in managing complex billing processes, interpreting healthcare policies, and providing exceptional customer service to patients and clients. The ideal candidate will bring advanced knowledge of billing systems, claim administration, and financial operations to ensure accuracy and efficiency in all tasks. Responsibilities:• Handle specialized and intricate billing processes, including accounts receivable and appeals management.• Research and apply healthcare policies, regulations, and procedures to support accurate claim administration.• Compile, maintain, and process financial data for billing, reimbursement, and reporting purposes.• Utilize advanced systems and software such as Allscripts, Cerner Technologies, and EHR systems to manage patient information and billing records.• Conduct in-depth reviews of legal, custody, and medical records to ensure compliance with reimbursement requirements.• Provide clear and effective communication with patients, clients, and external agencies to address inquiries and resolve billing issues.• Develop and maintain spreadsheets or databases to track financial operations and generate detailed reports.• Prepare and review complex documents, including insurance claims, treatment authorization forms, and subpoenas.• Train or oversee clerical staff as needed, ensuring adherence to office practices and procedures.• Assist in coordinating administrative functions, such as payroll, purchasing, and inventory management.For immediate consideration please contact Cortney at 209-225-2014
2026-10-07T00:00:00Z

Legal Administrative Assistant

San Francisco, CA
onsite
Temporary / Contract
27 - 30 USD / Hourly
A San Francisco–based personal injury law firm is seeking a reliable and detail-oriented Legal Administrative Assistant to support its civil litigation team. This is a contract-to-hire opportunity ideal for a legal admin who enjoys being a central support resource in a fast-paced, plaintiff-side law firm environment. The Legal Administrative Assistant will provide general administrative and operational support to attorneys and legal staff, assisting with case coordination, document handling, and office operations. While experience in personal injury or litigation is preferred, candidates with administrative experience in any legal practice area are encouraged to apply. Key Responsibilities<ul><li>Provide administrative support to attorneys, paralegals, and legal staff</li><li>Prepare, format, and proofread correspondence and legal documents</li><li>Assist with basic court filings and document submissions as directed</li><li>Maintain and organize electronic and physical case files</li><li>Manage calendars, schedule meetings, and coordinate appointments</li><li>Answer phones, direct calls, and interact professionally with clients and vendors</li><li>Assist with intake forms, record requests, and general case coordination</li><li>Support office operations, including supplies, records management, and special projects</li></ul>
2026-10-05T00:00:00Z

Administrative Assistant

San Francisco, CA
remote
Temporary / Contract
18.05 - 20.9 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to support leave-related administrative tasks in a part-time Contract position based in San Francisco, California. This fully remote opportunity is designed for individuals who can maintain a consistent weekly schedule while handling sensitive documentation, coordinating outbound communications, and keeping records current. The role is well suited for someone who is organized, dependable, and comfortable balancing document processing with light logistical support. Responsibilities: • Contact medical offices to obtain outstanding certification documents and resolve incomplete claim information through thorough follow-up communication. • Prepare, review, and organize paper-based leave documents to ensure they are complete and ready for submission. • Print, assemble, and send confidential materials to state agencies through the local post office while following secure handling practices. • Keep claim activity and progress notes updated in the designated system so internal teams can monitor status accurately. • Record mailing and filing expenses using the provided company card and submit supporting receipts for tracking purposes. • Support day-to-day administrative workflows related to leave cases with a strong focus on accuracy and timeliness.
2026-10-19T00:00:00Z

Administrative Assistant

Hayward, CA
onsite
Temporary / Contract
19.95 - 23.1 USD / Hourly
We are looking for an organized Administrative Assistant to support daily office operations for a healthcare organization in Hayward, California. This Long-term Contract position is ideal for someone who communicates clearly, manages multiple administrative tasks efficiently, and is comfortable serving as a reliable point of contact in an office setting. The role will focus on coordinating front-office activities, handling documentation, and maintaining accurate records while contributing to a smooth and responsive workplace. Responsibilities: • Manage incoming phone calls, direct inquiries appropriately, and provide courteous assistance to patients, staff, and visitors. • Perform a range of office support duties, including preparing paperwork, organizing files, and maintaining administrative records. • Enter information into internal databases and documents with a high level of accuracy and attention to detail. • Welcome and assist visitors while helping maintain an orderly and well-organized reception area. • Process routine documents and ensure completed materials are filed, tracked, and distributed correctly. • Support day-to-day office coordination by scheduling, responding to general requests, and following established administrative procedures.
2026-10-01T00:00:00Z

Administrative Assistant

San Ramon, CA
onsite
Temporary / Contract
30 - 40 USD / Hourly
We are looking for an Administrative Assistant to support daily office operations for a CPA firm in San Ramon, California. This is a Contract position suited for someone who can quickly step into a fast-moving environment and provide dependable on-site support. The ideal candidate brings strong technical confidence, excellent organizational ability, and a hands-on approach to coordinating administrative tasks with accuracy and consistency. Administrative Assistant Responsibilities:• Support day-to-day office activities by handling administrative tasks that keep operations running smoothly in a business services setting.• Maintain calendars, correspondence, files, and business documents using Outlook, Excel, Teams, and document management platforms.• Process incoming and outgoing mail, including regular retrieval of physical mail from an off-site PO Box in the San Ramon area.• Enter, update, and verify information in internal records and spreadsheets with a strong focus on accuracy and completeness.• Coordinate multiple assignments at once, adjusting priorities as business needs change while meeting deadlines.• Provide general office support, including document handling, routing communications, and assisting staff with administrative requests.• Support execution of marketing events and conferences.• Assistant with ad hoc projects and operational initiatives as assigned.• Handle sensitive and confidential information with discretion.• Demonstrate proficiency in basic accounting functions, including account reconciliation, processing vendor invoices, and maintaining accurate financial records. If you are interested in this administrative role, please apply today.
2026-10-19T00:00:00Z

Administrative Assistant

Walnut Creek, CA
onsite
Temporary / Contract
23 - 28 USD / Hourly
About Robert Half:Robert Half is a specialized talent solutions and staffing firm that connects skilled professionals with leading companies across a variety of industries. Our team partners with organizations throughout the Bay Area to support hiring needs in Administrative, Customer Service, Finance & Accounting, Human Resources, and other professional disciplines. This is not an active opening with a specific client at this time. We are proactively connecting with Administrative Assistants interested in upcoming temporary and temp-to-hire opportunities. By applying, you'll have the chance to be considered for future roles that match your skills and career goals. Robert Half is always looking to connect with organized, detail-oriented Administrative Assistants who enjoy supporting busy teams and helping offices run efficiently. If you thrive in a fast-paced environment, enjoy coordinating schedules, and take pride in keeping things organized, we'd love to hear from you. Key Responsibilities:• Manage and maintain calendars, appointments, and meeting schedules for team members.• Coordinate conference calls, meetings, and office events.• Answer phones, respond to emails, and direct inquiries appropriately.• Prepare correspondence, reports, and other administrative documents.• Maintain organized filing systems, records, and office supplies.• Support data entry and assist with special projects as needed.• Provide general office support to ensure efficient day-to-day operations. If you are interested in this Administrative Coordinator position, please submit your resume today to be considered!
2026-10-02T00:00:00Z

Patient Care Coordinator

Sacramento, CA
onsite
Temporary / Contract
24 - 26 USD / Hourly
We are looking for a Patient Care Coordinator to support daily front-office and patient-facing operations at a surgery center in Sacramento, California. This Long-term Contract position is ideal for someone who is organized, service-oriented, and comfortable balancing administrative responsibilities with direct interaction with patients, families, physicians, and vendors. The role requires strong attention to detail, effectiveness in a clinical setting, and the ability to respond calmly to changing needs throughout the day. Responsibilities: • Manage opening and closing activities for the surgery center to help ensure the facility is prepared for daily operations. • Welcome patients, guests, physicians, and vendors while creating a detail-oriented and supportive front-desk experience. • Maintain secure access to the facility by confirming that visitors and vendors are properly screened and registered before entry. • Enter, update, and retrieve patient demographic, treatment, and insurance information accurately within the appropriate computer systems. • Collect patient copayments and deductibles, reconcile transactions, and prepare daily deposit documentation with accuracy. • Support general administrative operations such as filing, answering questions, preparing forms, organizing records, copying materials, stocking supplies, and assisting with data entry. • Observe lobby and office areas regularly, help keep shared spaces clean and orderly, and escalate facility concerns to leadership when needed. • Monitor safety and emergency alert systems, participate in drills, and assist with urgent situations in the lobby by notifying the appropriate response team. • Provide additional support with medical records, appointment coordination, discharge assistance, and other operational tasks based on the needs of the center.
2026-10-16T00:00:00Z

12 results for Medical Office Administrator in Fairfield, CA