Providers
530
Locations
14
Specialties
12
Insurance Plans
27
About John Muir Physician Network
Background and practice information
John Muir Physician Network is a large multi-specialty medical practice based in Walnut Creek, CA, with 530 affiliated healthcare providers practicing across 14 locations.
The practice brings together providers across multiple specialties, including family practice, internal medicine, nurse practitioner, and hospitalist. Its providers are in-network with 27 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Across its providers, the practice has a strong average Merit-based Incentive Payment System (MIPS) score of 86.6 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
14 locations
John Muir Physician NetworkPrimary
1505 SAINT ALPHONSUS WAY, Alamo, CA 945071570
(925) 838-4633
Walnut Creek, CA
208 providers
Concord, CA
152 providers
Brentwood, CA
107 providers
San Ramon, CA
36 providers
Pleasant Hill, CA
31 providers
Berkeley, CA
27 providers
Orinda, CA
12 providers
San Pablo, CA
9 providers
Pleasanton, CA
7 providers
Danville, CA
5 providers
Lafayette, CA
4 providers
Livermore, CA
2 providers
Antioch, CA
2 providers
Affiliations
Hospitals where providers at John Muir Physician Network hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
John Muir Physician Network accepts 88 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 Physician Network
Provider specialties represented at this practice
Healthcare Providers in Alamo
10 providers practice here
Xiaoqian Zhang, MD
Cardiovascular Disease (cardiology) · Telehealth
Alamo, CA
Cathrien Abdelnor, MD
Family Practice · Telehealth
Alamo, CA
Julie Goo, MD
Family Practice · Telehealth
Alamo, CA
Aparna Vemuri, MD
Family Practice · Telehealth
Alamo, CA
Katherine Winter, MD
Family Practice · Telehealth
Alamo, CA
Chanda Banwat, MD
Internal Medicine · Telehealth
Alamo, CA
Manisha Malhotra, MD
Internal Medicine · Telehealth
Alamo, CA
Sujatha Rajagopalan, MD
Internal Medicine · Telehealth
Alamo, CA
Howard Zeiger, MD
Internal Medicine · Telehealth
Alamo, CA
Darcie Ghigiarelli, NP
Nurse Practitioner · Telehealth
Alamo, CA
Frequently Asked Questions
Common questions about John Muir Physician Network
How many providers are at John Muir Physician Network?
John Muir Physician Network has 530 affiliated healthcare providers across 14 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does John Muir Physician Network offer?
The practice includes providers in family practice, internal medicine, nurse practitioner, and hospitalist, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does John Muir Physician Network accept?
Providers at John Muir Physician Network are collectively in-network with 27 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does John Muir Physician Network have a quality rating?
The practice's providers have an average MIPS quality score of 86.6 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 Physician Network located?
John Muir Physician Network's primary location is in Walnut Creek, CA, with 13 additional locations listed on this page. See the contact section for the full address and phone number.
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