William Johnson, MD
NPI 1245469576 · Diagnostic Radiology Physician · Tupelo, MS
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Johnson, MD is a Diagnostic Radiology Physician provider in Tupelo, MS (NPI 1245469576).
Provider details
- NPI number
- 1245469576
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21261 (MS)
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
16 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
8,642 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 | 1,993 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 640 | $36 |
| Ct Scan of Chest Without Contrast71250 | 439 | $47 |
| X-Ray of Chest, 2 Views71046 | 398 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 353 | $79 |
| X-Ray of Chest, 2 Views71046 | 299 | $10 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine |
Practice location
Mailing address
Additional practice locations (1)
- 140 Burke Calhoun City RdCalhoun City, MS 38916-9690Phone: (662) 628-6622
Registry dates
- Enumerated
- 2009-07-08
- Last updated
- 2023-09-27
- Certified
- 2023-09-27
Frequently asked questions
- What is William Johnson's NPI number?
- William Johnson's National Provider Identifier (NPI) is 1245469576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnson's specialty?
- William Johnson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Johnson located?
- William Johnson's practice location on file with NPPES is 620 Crossover Rd, Tupelo, MS 38801-4944.
- What is William Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Johnson is (662) 842-1758.
- Does William Johnson accept Medicare?
- William Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Johnson's NPI active?
- Yes — William Johnson's NPI (1245469576) is active in the NPPES registry as of the last update on 2023-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.