William Stewart, M.D.
NPI 1124054986 · Family Medicine Physician · Duncan, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Stewart, M.D. is a Family Medicine Physician provider in Duncan, OK (NPI 1124054986).
Provider details
- NPI number
- 1124054986
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 11715 (OK)
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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 154 | 37 |
| Amlodipine Besylate | 79 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 78 | 15 |
| Furosemide | 72 | 17 |
| Levothyroxine Sodium | 71 | 19 |
| Omeprazole | 65 | 18 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2011-05-12
Frequently asked questions
- What is William Stewart's NPI number?
- William Stewart's National Provider Identifier (NPI) is 1124054986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stewart's specialty?
- William Stewart is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Stewart located?
- William Stewart's practice location on file with NPPES is 1324 N Harville Rd, Duncan, OK 73533-1514.
- What is William Stewart's phone number?
- The practice phone number listed in the NPPES registry for William Stewart is (580) 252-1373.
- Does William Stewart accept Medicare?
- William Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Stewart's NPI active?
- Yes — William Stewart's NPI (1124054986) is active in the NPPES registry as of the last update on 2011-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.