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

John Tran

Individual provider Internal Medicine Physician · NPI 1104288182

John Tran is a Hospitalist in Castro Valley, California. Qualified in 2016, 10 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
10
Licensed in
CA
In the registry since
2016
Specialties on file
2
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Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546
Phone: (510) 727-3256
Fax: (510) 727-3107
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4077 Fifth Ave # Mer35, San Diego, CA 92103-2105 — (619) 294-8111

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 20A16057 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20A16057 (CA)

Record details

NPI number1104288182
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 28, 2016
Last updated in NPPESSeptember 25, 2019
Mailing address325 Distel Cir, Los Altos, CA 94022-1408

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Castro Valley