Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John A Sarkaria, MD

Individual provider Internal Medicine Physician · NPI 1245250695

Dr. John A Sarkaria, MD is an Internal Medicine in Tustin, California. Graduated from University of California, Geffen School of Medicine in 1986, 40 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

14642 Newport Ave Ste 450
Tustin, CA 92780-6057
Phone: (714) 669-4449
Fax: (714) 669-4003
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G063280 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G063280 (CA)

Record details

NPI number1245250695
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 20, 2006
Last updated in NPPESSeptember 28, 2011
Mailing address14642 Newport Ave, Suite 450, Tustin, CA 92780-6057

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Tustin