Assistant Office Manager (Temp)
MCM & Associates
Montclair, CA · Posted October 15, 2026
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About the job
Assistant Office Manager opening in CA Located in Montclair and Covina, CA Temporary position with potential to become permanent
Practice Overview:
Temporary Assistant Office Manager opportunity with a busy surgical practice in Southern California
Position will cover a leave of absence with potential to transition into a permanent role
Support office operations across Montclair and Covina locations
Work closely with physicians, clinical staff, administrative team members, and leadership
Ideal candidate will have prior experience in a surgical or specialty practice setting
Strong opportunity for someone with broad front-office, back-office, billing, credentialing, and operational experience
Position Responsibilities:
Assist with day-to-day office management and administrative operations
Support surgery scheduling and coordination
Assist with billing-related tasks and insurance processes
Support provider contracting and credentialing workflows
Assist with HR-related administrative functions and staff coordination
Help with marketing initiatives and practice growth efforts
Maintain organized workflows and support efficient communication between office staff, providers, and patients
Use AthenaOne for practice management and administrative support
Job Qualifications:
Prior medical office management or assistant office management experience preferred
Surgery scheduling experience strongly preferred
Experience with billing, contracting, credentialing, HR management, and marketing preferred
AthenaOne experience strongly preferred
Strong organizational, communication, and multitasking skills
Ability to support multiple locations as needed
Professional, reliable, and comfortable working in a fast-paced surgical practice environment
Benefits / Additional Details:
Temporary position covering leave of absence
Potential to become permanent based on practice needs and performance
Additional compensation and benefit details to be discussed during the interview process
Montclair and Covina offer convenient access to the San Gabriel Valley and Inland Empire, with proximity to major Southern California communities, dining, schools, and regional amenities. Los Angeles