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FRANK S.F. HSU, M.D., A PROFESSIONAL CORPORATION
NPI 1407122633
Internal Medicine - Endocrinology, Diabetes & Metabolism in Hayward, CA

Active since April 02, 2012
21297 FOOTHILL BLVD STE 102, HAYWARD, CA 94541(510) 538-4870(510) 538-6475 Get Directions Write a Review

NPPES record last updated: April 2, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Frank S.f. Hsu, M.d., A Professional Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

FRANK S.F. HSU, M.D., A PROFESSIONAL CORPORATION (NPI 1407122633) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Hayward, California and active in the NPI registry since April 2012. The organization lists Frank S.f. Hsu, President, as its authorized official.

NPPES Registry Identity

NPI1407122633
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameFRANK S.F. HSU, M.D., A PROFESSIONAL CORPORATION
Location Address21297 FOOTHILL BLVD STE 102Hayward, CA 94541-1554
Mailing Address21297 Foothill Blvd Ste 102Hayward, CA 94541-1554 · (510) 538-4870 · Fax (510) 538-6475
Phone(510) 538-4870
Fax(510) 538-6475
Organization SubpartNo
Authorized OfficialFrank S.f. HsuPresident · (510) 538-4870
Enumeration DateApril 2, 2012
✔ NPI 1407122633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · C39702
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
21297 FOOTHILL BLVD STE 102, Hayward, CA 94541
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Other Identifiers 1

Medicare UPINA37196CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FRANK S.F. HSU, M.D., A PROFESSIONAL CORPORATION
Clinic/Center (Medical Specialty)
21297 FOOTHILL BLVD STE 102
HAYWARD, CA 94541
Alameda County (510) 538-4870
DR. FRANK S.F. HSU M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
21297 FOOTHILL BLVD STE 102
HAYWARD, CA 94541
Alameda County (510) 538-4870

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frank S.F. Hsu, M.D., A Professional Corporation's NPI number?

The NPI number for Frank S.F. Hsu, M.D., A Professional Corporation is 1407122633. It was assigned to this organization in the NPPES registry on April 2, 2012.

Where is Frank S.F. Hsu, M.D., A Professional Corporation located?

Frank S.F. Hsu, M.D., A Professional Corporation is located at 21297 Foothill Blvd Ste 102, Hayward, CA 94541. The listed phone number is (510) 538-4870.

What is Frank S.F. Hsu, M.D., A Professional Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Frank S.F. Hsu, M.D., A Professional Corporation was last updated on April 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.