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

Dr. Diane Mary-Ann Zebari, MD

Individual provider Internal Medicine Physician · NPI 1336166081

Dr. Diane Mary-Ann Zebari, MD is an Internal Medicine in Mission Viejo, California. Graduated from University of Michigan Medical School in 1979, 47 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
47
Trained at
University of Michigan Medical School
Licensed in
CA
In the registry since
2006
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

26732 Crown Valley Pkwy Ste 155
Mission Viejo, CA 92691-6306
Phone: (949) 364-5318
Fax: (949) 364-5026
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G43485 (CA)

Record details

NPI number1336166081
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 17, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1979 (47 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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