Providers
116
Locations
1
Specialties
12
Insurance Plans
48
About John Muir Trauma Physicians Billing Service
Background and practice information
John Muir Trauma Physicians Billing Service is a large multi-specialty medical practice based in Walnut Creek, CA, with 116 affiliated healthcare providers.
The practice brings together providers across multiple specialties, including diagnostic radiology, anesthesiology, general surgery, and orthopedic surgery. Its providers are in-network with 48 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a solid average Merit-based Incentive Payment System (MIPS) score of 71.6 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
John Muir Trauma Physicians Billing ServicePrimary
1601 YGNACIO VLY RD, Walnut Creek, CA 945960921
(925) 939-3000
Affiliations
Hospitals where providers at John Muir Trauma Physicians Billing Service hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
John Muir Trauma Physicians Billing Service accepts 87 plans from 12 insurers, including Cigna, Aetna, UnitedHealthcare.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at John Muir Trauma Physicians Billing Service
Provider specialties represented at this practice
Healthcare Providers
116 providers practice here
Jorge Aguilar, MD
Anesthesiology
Walnut Creek, CA
Joseph Baek, MD
Anesthesiology
Walnut Creek, CA
Upasna Bhuria, MD
Anesthesiology
Walnut Creek, CA
Alexei Birger, MD
Anesthesiology
Walnut Creek, CA
Arne Brock-utne, MD
Anesthesiology
Walnut Creek, CA
Melvina Cheung, MD
Anesthesiology
Walnut Creek, CA
Joseph Cuenco, MD
Anesthesiology
Walnut Creek, CA
Romerson Dimla, MD
Anesthesiology
Walnut Creek, CA
Michelle Gerrard, MD
Anesthesiology
Walnut Creek, CA
Matthew Giudice, MD
Anesthesiology
Walnut Creek, CA
Ryan Green, MD
Anesthesiology
Walnut Creek, CA
Evan Kung, MD
Anesthesiology
Walnut Creek, CA
Wayne Lee, MD
Anesthesiology
Walnut Creek, CA
Wilson Lee, MD
Anesthesiology
Walnut Creek, CA
George Liu, MD
Anesthesiology
Walnut Creek, CA
Joshua Meezan, MD
Anesthesiology
Walnut Creek, CA
Melissa Millar, MD
Anesthesiology
Walnut Creek, CA
Richard Nguyen, DO
Anesthesiology
Walnut Creek, CA
Tobechi Okoronkwo, MD
Anesthesiology
Walnut Creek, CA
Darion Pearson, MD
Anesthesiology
Walnut Creek, CA
Kynan Ricks, MD
Anesthesiology
Walnut Creek, CA
Loren Riskin, MD
Anesthesiology
Walnut Creek, CA
Hai Tran, MD
Anesthesiology
Walnut Creek, CA
Stephanie Wong, MD
Anesthesiology
Walnut Creek, CA
Frequently Asked Questions
Common questions about John Muir Trauma Physicians Billing Service
How many providers are at John Muir Trauma Physicians Billing Service?
John Muir Trauma Physicians Billing Service has 116 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does John Muir Trauma Physicians Billing Service offer?
The practice includes providers in diagnostic radiology, anesthesiology, general surgery, and orthopedic surgery, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does John Muir Trauma Physicians Billing Service accept?
Providers at John Muir Trauma Physicians Billing Service are collectively in-network with 48 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does John Muir Trauma Physicians Billing Service have a quality rating?
The practice's providers have an average MIPS quality score of 71.6 out of 100, based on Centers for Medicare & Medicaid Services data. MIPS measures performance across quality, cost, care coordination, and use of health technology.
Where is John Muir Trauma Physicians Billing Service located?
John Muir Trauma Physicians Billing Service's primary location is in Walnut Creek, CA. See the contact section for the full address and phone number.
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