William Studley, DO
NPI 1538657424 · Hospitalist Physician · Lillington, NC
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Studley, DO is a Hospitalist Physician provider in Lillington, NC (NPI 1538657424).
Provider details
- NPI number
- 1538657424
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 2021-01922 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
537 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 215 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 150 | $111 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 114 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 33 | $121 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 | $162 |
Typical Medicare-allowed amounts for these services range $73–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 33 | 33 |
| Digoxin | 20 | — |
| Atorvastatin Calcium | 19 | 17 |
| Amlodipine Besylate | 15 | — |
| Losartan Potassium | 14 | 12 |
| Azithromycin | 13 | 12 |
| Metoprolol Succinate | 13 | 13 |
Practice location
Mailing address
Additional practice locations (1)
- 2131 S 17th StWilmington, NC 28401-7407Phone: (910) 667-2606Fax: (910) 815-5698
Registry dates
- Enumerated
- 2018-04-25
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is William Studley's NPI number?
- William Studley's National Provider Identifier (NPI) is 1538657424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Studley's specialty?
- William Studley is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Studley located?
- William Studley's practice location on file with NPPES is 86 Parkside Dr, Lillington, NC 27546-4831.
- What is William Studley's phone number?
- The practice phone number listed in the NPPES registry for William Studley is (602) 796-3913.
- Does William Studley accept Medicare?
- William Studley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Studley's NPI active?
- Yes — William Studley's NPI (1538657424) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.