Deborah Chon, M.D.
NPI 1003173949 · Endocrinology, Diabetes & Metabolism Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deborah Chon, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Torrance, CA (NPI 1003173949).
Provider details
- NPI number
- 1003173949
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 12189893 (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
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 215 | 69 |
| Semaglutidebrand: Ozempic | 129 | 22 |
| Methimazole | 112 | 42 |
| Insulin Glargine-Yfgn | 95 | 39 |
| Glipizide | 91 | 40 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 63 | 30 |
| Insulin Lisprobrand: Humalog | 56 | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 11301 Wilshire BlvdLos Angeles, CA 90073-1003Phone: (310) 478-3711
Registry dates
- Enumerated
- 2012-04-17
- Last updated
- 2021-11-30
Frequently asked questions
- What is Deborah Chon's NPI number?
- Deborah Chon's National Provider Identifier (NPI) is 1003173949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deborah Chon's specialty?
- Deborah Chon is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Deborah Chon located?
- Deborah Chon's practice location on file with NPPES is 3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505-6659.
- What is Deborah Chon's phone number?
- The practice phone number listed in the NPPES registry for Deborah Chon is (310) 542-6333.
- Does Deborah Chon accept Medicare?
- Deborah Chon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deborah Chon's NPI active?
- Yes — Deborah Chon's NPI (1003173949) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.