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

Individual provider Internal Medicine Physician · NPI 1801820832

Dr. Janna Oganessian, MD is an Internal Medicine in Tarzana, California. Qualified in 1974, 52 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
52
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

18607 Ventura Blvd # 101
Tarzana, CA 91356-4159
Phone: (818) 758-8282
Fax: (818) 758-8286
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A79854 (CA)

Record details

NPI number1801820832
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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