T.h. Choi, a Medical Corp.
NPI 1215051446 · Endocrinology, Diabetes & Metabolism Physician · Los Alamitos, CA
T.h. Choi, a Medical Corp. is a Endocrinology, Diabetes & Metabolism Physician organization in Los Alamitos, CA (NPI 1215051446).
Provider details
- NPI number
- 1215051446
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Hoon-Ji Choi, Vice-President(562) 881-3922
- License
- A70132 (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
- 2007-03-16
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is T.h. Choi, a Medical Corp.'s NPI number?
- T.h. Choi, a Medical Corp.'s National Provider Identifier (NPI) is 1215051446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is T.h. Choi, a Medical Corp.?
- T.h. Choi, a Medical Corp. is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is T.h. Choi, a Medical Corp. located?
- T.h. Choi, a Medical Corp.'s practice location on file with NPPES is 3772 Katella Ave Ste 107, Los Alamitos, CA 90720-6424.
- What is T.h. Choi, a Medical Corp.'s phone number?
- The practice phone number listed in the NPPES registry for T.h. Choi, a Medical Corp. is (562) 431-7877.
- Who is the authorized official for T.h. Choi, a Medical Corp.?
- The authorized official listed on T.h. Choi, a Medical Corp.'s NPPES record is Hoon-Ji Choi, Vice-President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is T.h. Choi, a Medical Corp.'s NPI active?
- Yes — T.h. Choi, a Medical Corp.'s NPI (1215051446) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.