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

Dr. Frank S.f. Hsu, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1295800365

Dr. Frank S.f. Hsu, MD is an Endocrinology, Diabetes & Metabolism Physician in Hayward, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

21297 Foothill Blvd Ste 102
Hayward, CA 94541-1554
Phone: (510) 538-4870
Fax: (510) 538-6475
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence C39702 (CA)

Record details

NPI number1295800365
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 22, 2006
Last updated in NPPESJuly 8, 2007

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