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

Robert James Tamai

Individual provider Gastroenterology Physician · NPI 1538525001

Robert James Tamai is a Gastroenterology in West Hills, California. Graduated from Johns Hopkins University School of Medicine in 2018, 8 years ago. Practices with The Regents of the University of California, a 1,414-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
8
Trained at
Johns Hopkins University School of Medicine
Licensed in
CA
In the registry since
2016
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Practice location Address checks out

7345 Medical Center Dr Ste 420
West Hills, CA 91307-1964
Phone: (818) 340-8252
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A164258 (CA)

Record details

NPI number1538525001
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 13, 2016
Last updated in NPPESAugust 29, 2025
Certification dateAugust 29, 2025
Mailing address5767 W Century Blvd Ste 400, Los Angeles, CA 90045-5631

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice The Regents Of The University Of California — 1414 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in West Hills