Providers
13
Locations
1
Specialties
2
Insurance Plans
9
About Muir Pulmonary Critical Care
Background and practice information
Muir Pulmonary Critical Care is a mid-sized group medical practice based in Walnut Creek, CA, with 13 affiliated healthcare providers.
The practice brings together providers across several specialties, including pulmonary disease, and internal medicine. Its providers are in-network with 9 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 92.7 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
Muir Pulmonary Critical CarePrimary
2700 YGNACIO VALLEY RD, Walnut Creek, CA 945983462
(925) 939-3050
Affiliations
Hospitals where providers at Muir Pulmonary Critical Care hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Muir Pulmonary Critical Care accepts 53 plans from 9 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Quality & Performance
Specialties at Muir Pulmonary Critical Care
Provider specialties represented at this practice
Healthcare Providers
13 providers practice here
Maryam Amini, MD
Internal Medicine · Telehealth
Walnut Creek, CA
Elvio Ardilles, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Vala Berjis, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Anne Grzegorczyk, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Gabriel Guzman, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
George Juan
Pulmonary Disease · Telehealth
Walnut Creek, CA
Ramin Khashayar, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Matthew Lyons, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Ming-tyh Maa, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Nick Pakzad, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Jigar Patel, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Amish Shah, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Mark Slootsky, MD
Pulmonary Disease · Telehealth
Walnut Creek, CA
Frequently Asked Questions
Common questions about Muir Pulmonary Critical Care
How many providers are at Muir Pulmonary Critical Care?
Muir Pulmonary Critical Care has 13 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Muir Pulmonary Critical Care offer?
The practice includes providers in pulmonary disease, and internal medicine. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Muir Pulmonary Critical Care accept?
Providers at Muir Pulmonary Critical Care are collectively in-network with 9 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Muir Pulmonary Critical Care have a quality rating?
The practice's providers have an average MIPS quality score of 92.7 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 Muir Pulmonary Critical Care located?
Muir Pulmonary Critical Care's primary location is in Walnut Creek, CA. See the contact section for the full address and phone number.
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