Providers
12
Locations
1
Specialties
1
Insurance Plans
12
About Oc Emergency Physicians
Background and practice information
Oc Emergency Physicians is a mid-sized group medical practice based in Tustin, CA, with 12 affiliated healthcare providers.
The practice brings together providers across several specialties, including emergency medicine. Its providers are in-network with 12 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
1 location
Oc Emergency PhysiciansPrimary
14662 NEWPORT AVE, Tustin, CA 927806064
(714) 619-7700
Affiliations
Hospitals where providers at Oc Emergency Physicians hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Oc Emergency Physicians accepts 48 plans from 7 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.
Specialties at Oc Emergency Physicians
Provider specialties represented at this practice
Healthcare Providers
12 providers practice here
Katherine Au Hargraves, MD
Emergency Medicine
Tustin, CA
Steven Chen, MD
Emergency Medicine
Tustin, CA
Alexander Flores, MD
Emergency Medicine
Tustin, CA
Michelle Jhun, DO
Emergency Medicine
Tustin, CA
John Jiao, MD
Emergency Medicine
Tustin, CA
Pingching Kwan, MD
Emergency Medicine
Tustin, CA
David Lin, MD
Emergency Medicine
Tustin, CA
Maria Lopez, MD
Emergency Medicine
Tustin, CA
Maria Montoya, MD
Emergency Medicine
Tustin, CA
Carol Tang, MD
Emergency Medicine
Tustin, CA
David Thomas, MD
Emergency Medicine
Tustin, CA
Allen Zhi, MD
Emergency Medicine
Tustin, CA
Frequently Asked Questions
Common questions about Oc Emergency Physicians
How many providers are at Oc Emergency Physicians?
Oc Emergency Physicians has 12 affiliated healthcare providers. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Oc Emergency Physicians offer?
The practice includes providers in emergency medicine. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Oc Emergency Physicians accept?
Providers at Oc Emergency Physicians are collectively in-network with 12 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Oc Emergency Physicians located?
Oc Emergency Physicians's primary location is in Tustin, CA. See the contact section for the full address and phone number.
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