Charles Thomas, M.D.
NPI 1679779508 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Thomas, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1679779508).
Provider details
- NPI number
- 1679779508
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A98973 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 257 | 90 |
| Methimazole | 125 | 47 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 60 | 26 |
| Hydrocortisone | 51 | 16 |
| Insulin Lisprobrand: Humalog | 51 | 16 |
| Insulin Glargine-Yfgn | 44 | 18 |
| Atorvastatin Calcium | 35 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-26
- Last updated
- 2021-11-30
Frequently asked questions
- What is Charles Thomas's NPI number?
- Charles Thomas's National Provider Identifier (NPI) is 1679779508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Thomas's specialty?
- Charles Thomas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Thomas located?
- Charles Thomas's practice location on file with NPPES is 1200 N State St, Los Angeles, CA 90089-1001.
- What is Charles Thomas's phone number?
- The practice phone number listed in the NPPES registry for Charles Thomas is (323) 226-7556.
- Does Charles Thomas accept Medicare?
- Charles Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Thomas's NPI active?
- Yes — Charles Thomas's NPI (1679779508) 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.