William Nixon, M.D.
NPI 1942733894 · Diagnostic Radiology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Nixon, M.D. is a Diagnostic Radiology Physician provider in Greenville, SC (NPI 1942733894).
Provider details
- NPI number
- 1942733894
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,033 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 603 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 530 | $81 |
| Ct Scan of Chest With Contrast71260 | 268 | $50 |
| Ct Scan of Chest Without Contrast71250 | 214 | $48 |
| X-Ray of Chest, 2 Views71046 | 213 | $10 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 131 | $80 |
| Ct Scan of Abdomen and Pelvis Without Contrast |
Practice location
Mailing address
Additional practice locations (2)
- 665 Duluth HwySuite 401Lawrenceville, GA 30046-3328Phone: (678) 312-4074
- 171 Ashley AveCharleston, SC 29425-4444Phone: (843) 792-1414
Registry dates
- Enumerated
- 2017-04-07
- Last updated
- 2022-08-15
- Certified
- 2022-08-15
Frequently asked questions
- What is William Nixon's NPI number?
- William Nixon's National Provider Identifier (NPI) is 1942733894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nixon's specialty?
- William Nixon is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Nixon located?
- William Nixon's practice location on file with NPPES is 1210 W Faris Rd, Greenville, SC 29605-4444.
- What is William Nixon's phone number?
- The practice phone number listed in the NPPES registry for William Nixon is (864) 522-1800.
- Does William Nixon accept Medicare?
- William Nixon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Nixon's NPI active?
- Yes — William Nixon's NPI (1942733894) is active in the NPPES registry as of the last update on 2022-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.