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JOHN M TSAO INC
NPI 1265530323
Internal Medicine - Endocrinology, Diabetes & Metabolism in Torrance, CA

Active since September 20, 2006
20911 EARL ST STE 340, TORRANCE, CA 90503(310) 542-6333(310) 542-4695 Get Directions Write a Review

NPPES record last updated: July 24, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John M Tsao Inc NPPES

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

JOHN M TSAO INC (NPI 1265530323) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Torrance, California and active in the NPI registry since September 2006. The organization lists Celina Hack, President, as its authorized official.

NPPES Registry Identity

NPI1265530323
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameJOHN M TSAO INC
Location Address20911 EARL ST STE 340Torrance, CA 90503-4355
Mailing Address20911 Earl St Ste 340Torrance, CA 90503-4355 · (310) 542-6333 · Fax (310) 542-4695
Phone(310) 542-6333
Fax(310) 542-4695
Organization SubpartNo
Authorized OfficialCelina HackPresident · (310) 792-3914
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 24, 2012
✔ NPI 1265530323 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 · C23235
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.
20911 EARL ST STE 340, Torrance, CA 90503
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Other Identifiers 2

Medicare ID-Type UnspecifiedC23235CA
Medicare UPINA32343CA

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 3

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

DR. JOHN M TSAO SR. MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
20911 EARL ST STE 340
TORRANCE, CA 90503
Los Angeles County (310) 542-6333
DR. GORDON F SCHAYE MD
Otolaryngology
20911 EARL ST STE 340
TORRANCE, CA 90503
Los Angeles County (310) 540-2111
DR. DAVID MENDEL BRUSS MD
Otolaryngology
20911 EARL ST STE 340
TORRANCE, CA 90503
Los Angeles County (310) 731-2009

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 John M Tsao Inc's NPI number?

The NPI number for John M Tsao Inc is 1265530323. It was assigned to this organization in the NPPES registry on September 20, 2006.

Where is John M Tsao Inc located?

John M Tsao Inc is located at 20911 Earl St Ste 340, Torrance, CA 90503. The listed phone number is (310) 542-6333.

What is John M Tsao Inc'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 John M Tsao Inc was last updated on July 24, 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.