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

Dr. Tammy Tsz Yan Lai, MD

Individual provider Internal Medicine Physician · NPI 1952536468

Dr. Tammy Tsz Yan Lai, MD is an Internal Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2351 Clay St Ste 380
San Francisco, CA 94115
Phone: (415) 309-0328
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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 A102434 (CA)

Record details

NPI number1952536468
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 28, 2009
Last updated in NPPESFebruary 11, 2022

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