Providers
40
Locations
1
Specialties
5
Insurance Plans
16
About Regents Of The University Of California
Background and practice information
Regents of the University of California is a established group medical practice based in Orange, CA, with 40 affiliated healthcare providers.
The practice brings together providers across multiple specialties, including pathology, dermatology, hematology, and internal medicine. Its providers are in-network with 16 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 91.2 out of 100, a quality measure published by the Centers for Medicare & Medicaid Services.
Practice Locations
1 location
Regents Of The University Of CaliforniaPrimary
101 THE CITY DR S, Orange, CA 928683201
(714) 456-7004
Affiliations
Hospitals where providers at Regents Of The University Of California hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Regents Of The University Of California accepts 61 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 Regents Of The University Of California
Provider specialties represented at this practice
Healthcare Providers
40 providers practice here
Linda Doan, MD
Dermatology
Orange, CA
Bonnie Lee, MD
Dermatology
Orange, CA
Xiaohui Zhao, MD
Hematology
Orange, CA
Minh Ha Tran, MD
Internal Medicine
Orange, CA
Tahseen Mozaffar
Neurology · Telehealth
Orange, CA
Namratha Adiyeri Kandiyil, MD
Pathology
Orange, CA
Ali Afsari, MD
Pathology
Orange, CA
Kristine Astvatsaturyan, MD
Pathology
Orange, CA
Sepideh Bamdad, MD
Pathology
Orange, CA
Vishal Chandan, MD
Pathology
Orange, CA
Jihuan Chen, MD
Pathology
Orange, CA
Maria Del Valle Estopinal, MD
Pathology
Orange, CA
Michael Dugan, MD
Pathology
Orange, CA
Robert Edwards, MD
Pathology
Orange, CA
Ashley Gamayo, MD
Pathology
Orange, CA
Alfred Garcia, MD
Pathology
Orange, CA
Julio Ibarra, MD
Pathology
Orange, CA
Gioia Iezza, MD
Pathology
Orange, CA
Cary Johnson
Pathology
Orange, CA
Shivani Kandukuri, MD
Pathology
Orange, CA
Saman Karimi, MD
Pathology
Orange, CA
Thomas Lawton, MD
Pathology
Orange, CA
Shu Yuan Liao, MD
Pathology
Orange, CA
Jerry Lou, MD
Pathology
Orange, CA
Frequently Asked Questions
Common questions about Regents Of The University Of California
How many providers are at Regents of the University of California?
Regents of the University of California has 40 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Regents of the University of California offer?
The practice includes providers in pathology, dermatology, hematology, and internal medicine, among others. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Regents of the University of California accept?
Providers at Regents of the University of California are collectively in-network with 16 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Does Regents of the University of California have a quality rating?
The practice's providers have an average MIPS quality score of 91.2 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 Regents of the University of California located?
Regents of the University of California's primary location is in Orange, CA. See the contact section for the full address and phone number.
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