John M Tsao Inc
NPI 1265530323 · Endocrinology, Diabetes & Metabolism Physician · Torrance, CA
John M Tsao Inc is a Endocrinology, Diabetes & Metabolism Physician organization in Torrance, CA (NPI 1265530323).
Provider details
- NPI number
- 1265530323
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Celina Hack, President(310) 792-3914
- License
- C23235 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2012-07-24
Frequently asked questions
- What is John M Tsao Inc's NPI number?
- John M Tsao Inc's National Provider Identifier (NPI) is 1265530323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John M Tsao Inc?
- John M Tsao Inc is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is John M Tsao Inc located?
- John M Tsao Inc's practice location on file with NPPES is 20911 Earl St Ste 340, Torrance, CA 90503-4355.
- What is John M Tsao Inc's phone number?
- The practice phone number listed in the NPPES registry for John M Tsao Inc is (310) 542-6333.
- Who is the authorized official for John M Tsao Inc?
- The authorized official listed on John M Tsao Inc's NPPES record is Celina Hack, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John M Tsao Inc's NPI active?
- Yes — John M Tsao Inc's NPI (1265530323) is active in the NPPES registry as of the last update on 2012-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.