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15 results for Medical Office Administrator in Fairfield, CA

Medical Administrator

Oakland, California
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
2026-09-19T00:00:00Z

Office Manager

Woodland, California
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.
2026-09-11T00:00:00Z

Office Manager

Tracy, California
onsite
Temporary / Contract
27.7115 - 32.087 USD / Hourly
We are looking for an experienced Office Manager to support a busy CPA firm in Tracy, California. This Long-term Contract opportunity is ideal for a highly organized, detail-oriented individual who can keep daily operations running efficiently while providing dependable administrative support to both staff and leadership. The role requires sound judgment, strong attention to detail, and the ability to handle sensitive financial and client information with a high level of discretion. Responsibilities: • Direct daily office activities to ensure an efficient, well-organized work environment. • Support leadership and team members with a wide range of administrative and operational tasks. • Safeguard client and company records by maintaining confidentiality and accurate document handling practices. • Coordinate calendars, internal workflows, and office documentation to keep priorities on track. • Assist with administrative work tied to tax and accounting processes, ensuring timely and accurate follow-up. • Maintain structured filing systems and organized records for easy access and compliance needs. • Communicate effectively with clients, vendors, and internal staff to support smooth office operations. • Monitor office supply levels, place orders as needed, and help manage general office resources. • Provide front-desk and additional administrative assistance as business needs evolve.
2026-09-01T00:00:00Z

Benefits Administrator

Sacramento, California
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.
2026-09-04T00:00:00Z

Medical Billing Specialist

Sacramento, California
onsite
Temporary to Hire
26 - 31 USD / Hourly
We are looking for a detail-oriented Medical Billing Specialist to support ophthalmology billing operations in Sacramento, California. This contract opportunity with permanent potential is ideal for someone who can manage claims activity, work confidently with insurance payers, and provide clear billing support to patients and internal teams. The role requires strong experience with medical billing workflows, accounts receivable follow-up, and the effective use of EHR and Epic EMR systems to maintain accurate financial records and timely reimbursement. Responsibilities: • Review and confirm patient insurance coverage before services are billed, ensuring eligibility and benefit details are accurately documented. • Prepare and submit clean claims by assigning appropriate billing information and medical codes based on services rendered. • Monitor outstanding accounts receivable and follow up with insurance carriers and patients to secure prompt payment. • Research denied or delayed claims, correct identified issues, and resubmit documentation to support reimbursement. • Use EHR tools and Epic EMR to maintain billing records, track claim status, and support efficient revenue cycle workflows. • Respond to billing questions from patients, providers, and insurance representatives with professionalism and clear explanations. • Maintain accurate account documentation and update billing information to reduce claim errors and payment delays. • Support compliant billing practices by following current federal, state, and payer-specific regulations and coding guidelines.
2026-09-22T00:00:00Z

Legal Administrative Assistant

San Francisco, California
remote
Temporary / Contract
30 - 40 USD / Hourly
A San Francisco-based attorney is seeking a part-time Legal Administrative Assistant to help coordinate preparations for a significant criminal defense trial. The immediate need is for someone who can take ownership of trial-related logistics, manage changing priorities, and follow through on projects with limited oversight.The role is primarily remote, but the assistant must be available for occasional tasks in San Francisco, including touring potential accommodations for the trial team. Depending on the candidate’s experience and the attorney’s needs, the assignment may also include legal administrative, litigation, bankruptcy, or billing-related projects.Responsibilities<ul><li>Coordinate trial-team logistics, including sourcing and touring two townhouses near the trial location in San Francisco. </li><li>Help arrange internet service, supplies, and other practical needs for the trial accommodations. </li><li>Track assignments and deadlines, communicate with vendors and other contacts, and keep the attorney updated on progress. </li><li>Participate in Zoom meetings to learn the attorney’s processes and receive project-specific instructions. </li><li>Assist with litigation and trial-related administrative work as needed. </li><li>If experienced with legal document preparation, gather information from clients and prepare bankruptcy documents using attorney-provided forms or precedents. </li><li>If experienced with Excel or billing support, help organize business bank records and income information for tax and billing-related projects. </li></ul>
2026-09-24T00:00:00Z

Legal Administrative Assistant

San Francisco, California
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>
2026-09-14T00:00:00Z

Administrative Assistant

San Francisco, California
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.
2026-09-23T00:00:00Z

Administrative Assistant

Richmond, California
onsite
Temporary to Hire
22.8 - 26.4 USD / Hourly
We are looking for an organized and proactive Administrative Assistant to support leadership and key business functions in Richmond, California. This contract opportunity has the potential to become permanent and is ideal for someone who enjoys balancing executive support, coordination tasks, and document management in a fast-paced office setting. The role will contribute to bid preparation, team communication, marketing support, and event logistics while helping keep daily operations on track. ResponsibilitiesExecutive & Administrative Support<ul><li>Provide administrative support to company leadership, including calendar management, scheduling meetings, coordinating reminders, and preparing presentations.</li><li>Manage correspondence, maintain organized files, and assist with day-to-day office administration.</li><li>Coordinate with internal teams and external stakeholders to gather information and ensure timely completion of projects.</li></ul>Estimating & Procurement Support<ul><li>Assist with bid packages, RFQs, RFPs, prequalification packages, and other procurement-related documentation.</li><li>Track deadlines and help ensure all required documents are completed and submitted accurately and on time.</li><li>Support the estimating team with administrative tasks and document management.</li><li>Maintain organized records and electronic filing systems for proposals and project-related materials.</li></ul>Marketing & Event Coordination<ul><li>Maintain and organize company marketing assets, project information, and employee profiles.</li><li>Update website content and ensure company information remains current and accurate.</li><li>Assist with presentation preparation using existing templates.</li><li>Coordinate logistics for career fairs, recruiting events, client events, conferences, and company functions.</li><li>Support company apparel and promotional item ordering and inventory management.</li></ul>
2026-09-12T00:00:00Z

Administrative Assistant

Oakland, California
onsite
Temporary / Contract
23 - 26 USD / Hourly
Administrative AssistantWe are seeking an organized Administrative Assistant to support daily office operations, coordinate schedules, and assist with general administrative tasks.Responsibilities:<ul><li>Answer phones, emails, and greet visitors</li><li>Schedule meetings and maintain calendars</li><li>Prepare reports, correspondence, and documents</li><li>Organize filing systems and office records</li><li>Order office supplies and support team projects</li></ul>
2026-09-19T00:00:00Z

Administrative Assistant

Fremont, California
onsite
Temporary / Contract
22 - 25 USD / Hourly
Robert Half is seeking a receptionist with a strong sense of ownership and attention to detail. In this Receptionist role you will be responsible for answering phones, acting as the company liaison, and interacting professionally with customers. This is a great opportunity for those looking for a dynamic team environment, offering a great work space/office, excellent benefits and great career advancement and opportunity. This is a temporary-to-fulltime position located in Fremont, California. Receptionist Duties:<ul><li>Greet and welcome guests as they arrive at the office</li><li>Ensure reception area is well-kept and clean</li><li>Answer multi line phone lines and greet guests</li><li>Prepare badges for guests and visitors</li><li>Maintain a log of all visitors</li><li>Upkeep calendar and schedule any upcoming events </li></ul>
2026-09-16T00:00:00Z

Administrative Assistant

Daily City, California
onsite
Temporary / Contract
25 - 35 USD / Hourly
Contract & Contract-to-Hire | Robert HalfAs fourth quarter approaches, organizations across the Peninsula and surrounding areas are preparing for one of the busiest hiring seasons of the year. Robert Half is actively seeking Administrative Assistants interested in contract and contract-to-hire opportunities to support upcoming hiring needs. Many companies increase hiring during Q4 to manage increased workloads, support key projects, cover employee leaves, and prepare for the new year. By connecting with Robert Half now, you'll be positioned to hear about new opportunities as they become available. Responsibilities:<ul><li>Answer and direct incoming phone calls</li><li>Manage calendars, schedules, and meeting coordination</li><li>Prepare correspondence, reports, and documents</li><li>Maintain filing systems and records</li><li>Support office operations and administrative projects</li><li>Process data entry and maintain databases</li><li>Assist with event planning and meeting logistics</li><li>Provide excellent customer service to internal and external stakeholders</li></ul>
2026-09-16T00:00:00Z

Administrative Assistant

West Sacramento, California
onsite
Permanent / Full Time
25 - 30 USD / Hourly
Lisa Cole with Robert Half is partnering with a well-respected organization is seeking a highly organized and proactive Administrative Assistant to support executive leadership, governance activities, board operations, and key organizational programs. This position is ideal for an experienced administrative professional who thrives in a fast-paced environment, enjoys coordinating high-level meetings and projects, and can manage confidential information with professionalism and discretion.This role offers the opportunity to work closely with executive leaders, board members, committees, and external stakeholders while contributing to initiatives that support organizational governance, strategic priorities, and leadership development.Key Responsibilities<ul><li>Provide administrative and organizational support to executive leadership, boards, committees, and governance bodies.</li><li>Coordinate leadership nomination, election, appointment, and vacancy processes.</li><li>Manage calendars, meeting logistics, travel arrangements, and executive schedules.</li><li>Prepare agendas, meeting materials, reports, presentations, correspondence, and official communications.</li><li>Coordinate governance meetings, committee meetings, and special events, including onsite logistics and vendor coordination.</li><li>Track action items and follow up on key deliverables to support organizational objectives.</li><li>Support onboarding and offboarding activities for board and committee members.</li><li>Assist with departmental budgets, expense tracking, contracts, and expenditure approvals.</li><li>Maintain confidential records, filing systems, governance documentation, and organizational databases.</li><li>Research, compile, and organize information for reports, presentations, and special projects.</li><li>Partner with internal and external stakeholders to ensure exceptional service and communication.</li><li>Serve as a backup resource for executive-level administrative support functions.</li><li>Assist with process improvement initiatives to enhance operational efficiency and effectiveness.</li></ul>
2026-09-11T00:00:00Z

Administrative Assistant

Stockton, California
onsite
Temporary / Contract
21.375 - 24.75 USD / Hourly
We are looking for a detail-oriented Administrative Assistant to support transit service development activities in Stockton, California. This Long-term Contract opportunity is ideal for someone who enjoys balancing office coordination with occasional field-based assignments, including transit observations and service data collection. The role requires strong organization, sound judgment, and the ability to communicate clearly with both internal staff and transit riders while helping maintain accurate administrative records and reports. Responsibilities:• Provide day-to-day administrative support for the department, including front-desk assistance, document preparation, filing, and general office coordination.• Enter and maintain operational data with accuracy, including information gathered from driver manifests and other service-related records.• Conduct field observations by riding buses, counting passengers, reviewing route activity, and documenting findings for reporting purposes.• Assist riders by interpreting bus schedules, explaining route options, and offering clear travel directions using printed and online resources.• Prepare, update, and organize spreadsheets, reports, and department records using Microsoft Office applications.• Support required transit reporting activities by compiling and organizing data used for annual performance tracking.• Work effectively both independently and with team members to complete assignments on schedule and with close attention to detail. For immediate consideration please call Cortney at 209-225-2014
2026-09-18T00:00:00Z

Medical Eligibility and Payment Posting Specialist

Pleasanton, California
onsite
Temporary / Contract
27 - 33 USD / Hourly
We are looking for a Medical Eligibility and Payment Posting Specialist to support healthcare revenue cycle operations in Pleasanton, California. This Long-term Contract position focuses on verifying coverage, reviewing coding-related information, posting payments accurately, and helping ensure patient accounts are updated correctly. The ideal candidate brings strong knowledge of outpatient coding standards, insurance and Medicaid eligibility processes, and patient billing support within a medical environment. Responsibilities:• Verify insurance, Medicaid, and patient coverage details to confirm benefits and eligibility before services are processed.• Post payments to patient accounts with accuracy, reconcile transactions, and investigate discrepancies that affect account balances.• Review medical coding information using ICD-10 and CPT guidelines to support clean claim and billing workflows.• Prepare and distribute patient statements while helping resolve account questions related to charges, payments, and coverage.• Maintain complete and accurate documentation within billing and coding records to support compliance and audit readiness.• Coordinate with internal teams to address claim issues, eligibility questions, and payment posting exceptions in a timely manner.• Assist with updates to workflows or systems when needed as part of ongoing operational support responsibilities. If you are interested in this role, please apply today and call us at (510) 470-7450
2026-08-26T00:00:00Z