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

Dr. Tom T Nguyen, MD

Individual provider Hospitalist Physician · NPI 1144269382

Dr. Tom T Nguyen, MD is an Internal Medicine in Walnut Creek, California. Graduated from Vanderbilt University School of Medicine in 1997, 29 years ago. Practices with King County Public Hospital District No 2, a 585-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Trained at
Vanderbilt University School of Medicine
Licensed in
CA
In the registry since
2006
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

1220 Rossmoor Pkwy
Walnut Creek, CA 94595-2501
Phone: (925) 947-3393
Fax: (925) 947-3396
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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 A87794 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A87794 (CA)

Record details

NPI number1144269382
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 5, 2006
Last updated in NPPESJune 21, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice King County Public Hospital District No 2 — 585 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Walnut Creek