Leon Williams, M.D.
NPI 1386677102 · Family Medicine Physician · Innis, LA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Williams, M.D. is a Family Medicine Physician provider in Innis, LA (NPI 1386677102).
Provider details
- NPI number
- 1386677102
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 200787 (LA)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 176 | 89 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 174 | 38 |
| Atorvastatin Calcium | 170 | 76 |
| Losartan Potassium | 94 | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 90 | 46 |
| Famotidine | 88 | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2021-12-30
- Certified
- 2021-12-30
Frequently asked questions
- What is Leon Williams's NPI number?
- Leon Williams's National Provider Identifier (NPI) is 1386677102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Williams's specialty?
- Leon Williams is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Williams located?
- Leon Williams's practice location on file with NPPES is 6450 Louisiana Highway 1, Innis, LA 70747.
- What is Leon Williams's phone number?
- The practice phone number listed in the NPPES registry for Leon Williams is (225) 492-3775.
- Does Leon Williams accept Medicare?
- Leon Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Williams's NPI active?
- Yes — Leon Williams's NPI (1386677102) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.