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

Dr. Areg Grigorian, MD

Individual provider Surgical Critical Care Physician · NPI 1538579578

Dr. Areg Grigorian, MD is a General Surgery in Orange, California. Graduated from University of California, San Diego School of Medicine in 2014, 12 years ago. Practices with University Surgeons of Orange a Medical Group, a 120-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2014
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 880-7812
Show map & directions

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

Additional practice locations (1)

  • 1500 San Pablo St Fl 7, Los Angeles, CA 90033-5313 — (323) 442-6254

Specialties & licences

Surgical Critical Care Physician (primary) Taxonomy 2086S0102X · Licence A138676 (CA)

Record details

NPI number1538579578
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2014
Last updated in NPPESDecember 22, 2022
Certification dateDecember 22, 2022
Mailing address200 S Manchester Ave Ste 300, Orange, CA 92868-3219

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice University Surgeons Of Orange A Medical Group — 120 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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