Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Allison Barret, MD, MS

Individual provider Vascular & Interventional Radiology Physician · NPI 1891012696

Dr. William Allison Barret, MD, MS is an Interventional Radiology in Nashville, Tennessee. Graduated from Wake Forest University School of Medicine in 2010, 16 years ago. Practices with Regents of the Univ of Ca, a 1,578-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in Alabama, Arizona, California and Kentucky and 2 more.

Years since qualifying
16
Trained at
Wake Forest University School of Medicine
Licensed in
AL, AZ, CA, KY, MI, TN
In the registry since
2010
Specialties on file
8
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

3601 The Vanderbilt Clinic
Nashville, TN 37232-2637
Phone: (615) 322-3000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 1800 E Florence Blvd, Casa Grande, AZ 85122-5303 — (520) 381-6300
  • 2009 Mallory Ln Ste 150, Franklin, TN 37067-2872 — (615) 771-8668
  • 4525 Harding Pike Ste 102, Nashville, TN 37205-2145 — (615) 463-3034
  • 2002 Richard Jones Rd Ste B300, Nashville, TN 37215-2809 — (931) 685-2022
  • Department Of Radiology 1161 21st Ave S, Nashville, TN 37232-2637 — (615) 322-5000
  • 1310 24th Ave S, Nashville, TN 37212-2637 — (615) 327-4751
  • 719 Thompson Ln Ste 23300, Nashville, TN 37204-4686 — (615) 936-3606

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X · Licence 54144 (TN)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 4301113903 (MI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 54144 (TN)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 31315 (AL)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 49096 (KY)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 64788 (AZ)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence 31315 (AL)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence A153029 (CA)

Record details

NPI number1891012696
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedMay 3, 2010
Last updated in NPPESMay 8, 2026
Certification dateMay 8, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERVENTIONAL RADIOLOGY
Medical schoolWAKE FOREST UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Regents Of The Univ Of Ca — 1578 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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