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Accounting Services are provided by the Auditor-Controller Department and include professional accounting support and Medi-Cal billing services for Health Care Agency (HCA) programs. The Accounting Services division is organized into the following five units:

Claims and Financial Reporting

Provides services that include the preparation of reimbursement claims, various monthly/quarterly/annual financial reports (including cost reports), and the processing of year-end entries. The unit is also responsible for conducting internal monitoring to ensure all transactions are in accordance with Generally Accepted Accounting Principles (GAAP). Additional duties include cash handling audits and acting as the primary resource regarding the claiming/proper recording of revenue transactions.


Conducts all required activities necessary for processing timely vendor payments and payroll for all of HCA in addition to internal monitoring and auditing of these operations. The unit is also responsible for conducting cash handling audits and providing guidance as needed.

Environmental Health

Performs annual, quarterly and prorated billing and collection operations for the hazardous waste and health service fees on behalf of HCA’s Environmental Health division. Annually, this unit coordinates the State mandated Certified Unified Program Agency (CUPA) billings, and collects and distributes funds to all participating agencies and businesses, as applicable.

Medical Billing Unit

Supports the Health Care Agency in implementing accurate billing, coding and HIPAA and compliance practices in HCA. Bills state/federal programs and private health plans for County services provided to Behavioral Health, Public Health and Institutional Health clients. Processes any necessary refunds as directed by the payor or HCA. Provides assistance to program management and HCA clinical support staff by providing technical billing support and answering billing inquiries.

Public Guardian

Processes daily estate and trust fiduciary payments and receipts, manages the filing of client required tax returns, perform other accounting services support for the Public Guardian operations as well as other fiduciary services to their clients. Conducts court accountings and provides financial guidance as needed.