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

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