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

Dr. Arthur N Ohannessian, MD

Individual provider Family Medicine Physician · NPI 1477713139

Dr. Arthur N Ohannessian, MD is a Family Practice in Santa Monica, California. Graduated from University of California, San Diego School of Medicine in 2008, 18 years ago. Practices with County of Los Angeles, a 390-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
18
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2008
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

1920 Colorado Ave
Santa Monica, CA 90404-3414
Phone: (310) 319-4700
Fax: (310) 453-5106
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A111094 (CA)

Record details

NPI number1477713139
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2008
Last updated in NPPESJanuary 27, 2025
Certification dateJanuary 27, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice County Of Los Angeles — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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