Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Tracey Liu, MD

Individual provider Internal Medicine Physician · NPI 1639639693

Tracey Liu, MD is an Internal Medicine Physician in Pleasanton, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2019
Specialties on file
4
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

5565 W Las Positas Blvd Ste 320B
Pleasanton, CA 94588-4001
Phone: (650) 725-7061
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Pasteur Dr, Stanford, CA 94305-2200 — (650) 723-4000

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence A186943 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A186943 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A186943 (CA)
Hospice and Palliative Medicine (Internal Medicine) Physician Taxonomy 207RH0002X · Licence A186943 (CA)

Record details

NPI number1639639693
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2019
Last updated in NPPESOctober 2, 2026
Certification dateOctober 2, 2026

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