Thomas G Ahn M D a Prof Corp
NPI 1982720728 · Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas G Ahn M D a Prof Corp is a Endocrinology, Diabetes & Metabolism Physician organization in Los Angeles, CA (NPI 1982720728).
Provider details
- NPI number
- 1982720728
- Entity type
- Organization
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Ahn, Owner(310) 277-7600
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
- 2007-03-22
- Last updated
- 2025-12-29
- Certified
- 2025-12-29
Frequently asked questions
- What is Thomas G Ahn M D a Prof Corp's NPI number?
- Thomas G Ahn M D a Prof Corp's National Provider Identifier (NPI) is 1982720728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas G Ahn M D a Prof Corp?
- Thomas G Ahn M D a Prof Corp is classified in the NPPES registry as Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas G Ahn M D a Prof Corp located?
- Thomas G Ahn M D a Prof Corp's practice location on file with NPPES is 2080 Century Park E, Los Angeles, CA 90067-2001.
- What is Thomas G Ahn M D a Prof Corp's phone number?
- The practice phone number listed in the NPPES registry for Thomas G Ahn M D a Prof Corp is (310) 277-7600.
- Does Thomas G Ahn M D a Prof Corp accept Medicare?
- Thomas G Ahn M D a Prof Corp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Thomas G Ahn M D a Prof Corp?
- The authorized official listed on Thomas G Ahn M D a Prof Corp's NPPES record is Thomas Ahn, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas G Ahn M D a Prof Corp's NPI active?
- Yes — Thomas G Ahn M D a Prof Corp's NPI (1982720728) is active in the NPPES registry as of the last update on 2025-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.