William Dunlap, MD
NPI 1255471819 · Internal Medicine Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Dunlap, MD is a Internal Medicine Physician provider in Raleigh, NC (NPI 1255471819).
Provider details
- NPI number
- 1255471819
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 14648 (NC)
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 · 82 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Divalproex Sodium | 206 |
| Omeprazole | 199 |
| Trazodone Hcl | 198 |
| Metoprolol Succinate | 172 |
| Tramadol Hcl | 171 |
| Potassium Chloride | 162 |
| Gabapentin | 158 |
| Pravastatin Sodium | 145 |
| Apixabanbrand: Eliquis | 130 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2009-01-29
Frequently asked questions
- What is William Dunlap's NPI number?
- William Dunlap's National Provider Identifier (NPI) is 1255471819, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dunlap's specialty?
- William Dunlap is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Dunlap located?
- William Dunlap's practice location on file with NPPES is 3521 Haworth Dr, Raleigh, NC 27609-7216.
- What is William Dunlap's phone number?
- The practice phone number listed in the NPPES registry for William Dunlap is (919) 782-1806.
- Does William Dunlap accept Medicare?
- William Dunlap is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Dunlap's NPI active?
- Yes — William Dunlap's NPI (1255471819) is active in the NPPES registry as of the last update on 2009-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.