William Barret, M.D. , M.S.
NPI 1891012696 · Vascular & Interventional Radiology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barret, M.D. , M.S. is a Vascular & Interventional Radiology Physician provider in Nashville, TN (NPI 1891012696).
Provider details
- NPI number
- 1891012696
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D. , M.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301113903 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
8 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
809 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 | 186 | $8 |
| X-Ray of Chest, 2 Views71046 | 79 | $9 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 61 | $12 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 40 | $80 |
| Ct Scan Head Or Brain Without Contrast70450 | 39 | $37 |
| Review By Radiologist of Ct Guidance for Needle Placement77012 | 33 | $69 |
Practice location
Mailing address
Additional practice locations (7)
- 1800 E Florence BlvdCasa Grande, AZ 85122-5303Phone: (520) 381-6300
- 2009 Mallory Ln Ste 150Franklin, TN 37067-2872Phone: (615) 771-8668
- 4525 Harding Pike Ste 102Nashville, TN 37205-2145Phone: (615) 463-3034
- 2002 Richard Jones Rd Ste B300Nashville, TN 37215-2809Phone: (931) 685-2022
- 1310 24th Ave SNashville, TN 37212-2637Phone: (615) 327-4751
- Department of Radiology 1161 21st Ave SNashville, TN 37232-2637Phone: (615) 322-5000
- 719 Thompson Ln Ste 23300Nashville, TN 37204-4686Phone: (615) 936-3606
Registry dates
- Enumerated
- 2010-05-03
- Last updated
- 2026-05-08
- Certified
- 2026-05-08
Frequently asked questions
- What is William Barret's NPI number?
- William Barret's National Provider Identifier (NPI) is 1891012696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barret's specialty?
- William Barret is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Barret located?
- William Barret's practice location on file with NPPES is 3601 the Vanderbilt Clinic, Nashville, TN 37232-2637.
- What is William Barret's phone number?
- The practice phone number listed in the NPPES registry for William Barret is (615) 322-3000.
- Does William Barret accept Medicare?
- William Barret is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barret's NPI active?
- Yes — William Barret's NPI (1891012696) is active in the NPPES registry as of the last update on 2026-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.