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

Thomas T Nguyen, MD

Individual provider Hospitalist Physician · NPI 1669807699

Thomas T Nguyen, MD is a Hospitalist in Concord, California. Qualified in 2011, 15 years ago. Practices with John Muir Physician Network, a 486-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
15
Licensed in
CA
In the registry since
2013
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

2700 Grant St Ste 200
Concord, CA 94520-2270
Phone: (925) 674-2609
Fax: (925) 674-2211
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 751 S Bascom Ave, San Jose, CA 95128-2604 — (408) 885-5000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A127610 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A127610 (CA)

Record details

NPI number1669807699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 10, 2013
Last updated in NPPESAugust 23, 2022
Certification dateAugust 23, 2022
Mailing address1450 Treat Blvd Ste 300, Walnut Creek, CA 94597-2168

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice John Muir Physician Network — 486 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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