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

Karlen Ulubabyan, MD

Individual provider Hospitalist Physician · NPI 1376121947

Karlen Ulubabyan, MD is a Hospitalist in Los Angeles, California. Graduated from University of California, San Diego School of Medicine in 2021, 5 years ago. Practices with Weill Medical College of Cornell, a 2,031-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
University of California, San Diego School of Medicine
Licensed in
CA
In the registry since
2021
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

757 Westwood Plz Ste 7501
Los Angeles, CA 90095-8358
Phone: (310) 267-9643
Fax: (310) 267-3840
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A193511 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A195311 (CA)

Record details

NPI number1376121947
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2021
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Weill Medical College Of Cornell — 2031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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