William Griffiths, M.D.
NPI 1952322406 · Internal Medicine Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Griffiths, M.D. is a Internal Medicine Physician provider in Raleigh, NC (NPI 1952322406).
Provider details
- NPI number
- 1952322406
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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
19 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,052 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 483 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 428 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $84 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 202 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 174 | $119 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 110 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,023 | 294 |
| Amlodipine Besylate | 948 | 278 |
| Losartan Potassium | 394 | 109 |
| Rosuvastatin Calcium | 350 | 110 |
| Levothyroxine Sodium | 285 | 77 |
| Potassium Chloride | 243 | 76 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2008-03-24
Frequently asked questions
- What is William Griffiths's NPI number?
- William Griffiths's National Provider Identifier (NPI) is 1952322406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Griffiths's specialty?
- William Griffiths is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Griffiths located?
- William Griffiths's practice location on file with NPPES is 7021 Harps Mill Rd, Raleigh, NC 27615-3240.
- What is William Griffiths's phone number?
- The practice phone number listed in the NPPES registry for William Griffiths is (919) 845-2125.
- Does William Griffiths accept Medicare?
- William Griffiths is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Griffiths's NPI active?
- Yes — William Griffiths's NPI (1952322406) is active in the NPPES registry as of the last update on 2008-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.