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

Individual provider Internal Medicine Physician · NPI 1134153372

Dr. Thomas Tsongming Hsu, MD is an Internal Medicine in Cupertino, California. Qualified in 1977, 49 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Licensed in
CA
In the registry since
2006
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

20395 Pacifica Dr #104
Cupertino, CA 95014-3016
Phone: (408) 446-5353
Fax: (408) 252-0431
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A41255 (CA)

Record details

NPI number1134153372
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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