On Demand Office Assistant Billing Specialist
MultiMedical Systems • Fresno, California • Full Time
Posted on Tue, Jun 9, 2026
On Demand Office Assistant Billing Specialist
Location: Fresno, CA 93722
Why MultiMedical Systems? Since 1996, MMS has provided healthcare organizations with the highest level clinical engineering, surgical repair, and medical device acquisition solutions. We offer staffing solutions that are on-demand. Our highly vetted technicians have expertise that adds immediate value. Our company’s values of being People First, Customer Centric, Quality Focused, Innovative and Transparent demonstrate our beliefs in a strong culture and a commitment to excellence. We prioritize investing in our employees’ development through ongoing training programs and a supportive work environment. Join our team to make a difference in healthcare while advancing your career with MMS. Summary: We are seeking a detail-oriented and proactive On Demand Office Assistant Billing Specialist to join our team in Fresno, CA. This role is ideal for someone who thrives in a dynamic environment and can efficiently manage billing tasks while providing general office support as needed. What you will do:- Prepare, review, and process invoices accurately and in a timely manner.
- Manage billing records and ensure all transactions are properly documented.
- Assist with accounts receivable and follow up on outstanding payments.
- Support office operations including filing, data entry, and correspondence.
- Coordinate with clients and internal teams to resolve billing discrepancies.
- Maintain confidentiality of sensitive financial and client information.
- Perform other administrative duties as assigned on an on-demand basis.
Qualifications:
- High school diploma or equivalent; associate degree or higher preferred.
- Proven experience in billing, invoicing, or office administration.
- Strong attention to detail and organizational skills.
- Proficient in Microsoft Office Suite (Word, Excel, Outlook).
- Familiarity with billing software or accounting systems is a plus.
- Excellent communication and interpersonal skills.
- Ability to work independently and manage multiple tasks efficiently.
- Accountability – takes ownership of assigned work and follows items through to completion
- Communication – clearly expresses thoughts and ideas both in written and verbal communications, provides timely information
- Financial Acumen – Considers financial impact of all decisions
- Integrity – Can admit mistakes, is direct and truthful
- Customer Service – demonstrates a “customer-first” mentality, focused on meeting the needs of customers and captures feedback to make improvements
- Priority Setting – Prioritizes assigned schedules and workload
- Team Building – Mentors newer technicians, facilitates clear communication amongst the team, demonstrates care and respect for co-workers and colleagues
- Regulatory – knows the various accrediting agencies (TJC, DNV, CAP, DOH) and how the Medical Equipment Management Plan complies
- Maintain a safe working environment for self and others if they come in contact within the biomed area in accordance with the facility’s policies
- Must follow OSHA guidelines in regard to blood borne pathogens, airborne pathogens, radiation, sharp instruments and/or tools, hazardous liquids, and operating devices
- Ontime completion of safety trainings assignments
- Must have sensory ability to distinguish hot & cold ranges of temperature, surfaces, fine motor skills, manual dexterity, and detect/distinguish colors
- Must be able be able to carry or lift up to 50 pounds routinely