William Holmes, MD
NPI 1518937770 · Diagnostic Radiology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Holmes, MD is a Diagnostic Radiology Physician provider in Knoxville, TN (NPI 1518937770).
Provider details
- NPI number
- 1518937770
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD18694 (TN)
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
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
4,818 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) |
|---|---|---|
| Screening Mammography77067 | 799 | $33 |
| Screening 3d Breast Mammography77063 | 791 | $26 |
| X-Ray of Chest, 1 View71045 | 435 | $8 |
| X-Ray of Chest, 2 Views71046 | 326 | $10 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 176 | $9 |
| X-Ray of Chest, 2 Views71046 | 168 | $10 |
| Limited Ultrasound Scan of 1 Breast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-23
- Last updated
- 2024-03-12
- Certified
- 2024-03-12
Frequently asked questions
- What is William Holmes's NPI number?
- William Holmes's National Provider Identifier (NPI) is 1518937770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Holmes's specialty?
- William Holmes is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Holmes located?
- William Holmes's practice location on file with NPPES is 2001 Laurel Ave, Knoxville, TN 37916-1810.
- What is William Holmes's phone number?
- The practice phone number listed in the NPPES registry for William Holmes is (865) 546-9484.
- Does William Holmes accept Medicare?
- William Holmes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Holmes's NPI active?
- Yes — William Holmes's NPI (1518937770) is active in the NPPES registry as of the last update on 2024-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.