Jonathan Williams, MD
NPI 1477540961 · Diagnostic Radiology Physician · Florence, SC
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Williams, MD is a Diagnostic Radiology Physician provider in Florence, SC (NPI 1477540961).
Provider details
- NPI number
- 1477540961
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20176 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,998 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 | 423 | $8 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 356 | $106 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 227 | $80 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 227 | $25 |
| Ct Scan Head Or Brain Without Contrast70450 | 219 | $37 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 204 | $77 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2025-10-16
- Certified
- 2025-10-16
Frequently asked questions
- What is Jonathan Williams's NPI number?
- Jonathan Williams's National Provider Identifier (NPI) is 1477540961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Williams's specialty?
- Jonathan Williams is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Williams located?
- Jonathan Williams's practice location on file with NPPES is 1329 Lazar Pl, Florence, SC 29501-5664.
- What is Jonathan Williams's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Williams is (843) 629-9516.
- Does Jonathan Williams accept Medicare?
- Jonathan Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Williams's NPI active?
- Yes — Jonathan Williams's NPI (1477540961) is active in the NPPES registry as of the last update on 2025-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.