Dr William Allison Barret, MD, MS - Medicare Interventional Radiology in Nashville, TN

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Dr William Allison Barret, MD, MS is a medicare enrolled "Radiology - Vascular & Interventional Radiology" physician in Nashville, Tennessee. He went to Wake Forest University School Of Medicine and graduated in 2010 and has 14 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice Vanderbilt University Medical Center, Sonoran Radiology Ltd and his current practice location is 1310 24th Ave S, Nashville, Tennessee. You can reach out to his office (for appointments etc.) via phone at (615) 327-4751.

Dr William Allison Barret is licensed to practice in Tennessee (license number 54144) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1891012696.

Contact Information

Dr William Allison Barret, MD, MS
1310 24th Ave S,
Nashville, TN 37212-2637
(615) 327-4751
Not Available

Map and Direction




Physician's Profile

Full NameDr William Allison Barret
GenderMale
SpecialityInterventional Radiology
Experience14 Years
Location1310 24th Ave S, Nashville, Tennessee
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr William Allison Barret attended and graduated from Wake Forest University School Of Medicine in 2010
  NPI Data:
  • NPI Number: 1891012696
  • Provider Enumeration Date: 05/03/2010
  • Last Update Date: 02/15/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2668618315
  • Enrollment ID: I20160616001495

Medical Identifiers

Medical identifiers for Dr William Allison Barret such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891012696NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 54144 (Tennessee)Secondary
2085R0202XRadiology - Diagnostic Radiology 31315 (Alabama)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 64788 (Arizona)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 31315 (Alabama)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 49096 (Kentucky)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 54144 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Banner Baywood Medical CenterMesa, AZHospital
Vanderbilt University Medical CenterNashville, TNHospital
Banner Casa Grande Medical CenterCasa grande, AZHospital
Tennova Healthcare-hartonTullahoma, TNHospital
Tennova Healthcare-shelbyvilleShelbyville, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vanderbilt University Medical Center50920234162742
Sonoran Radiology Ltd3375964505393

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr William Allison Barret allows following entities to bill medicare on his behalf.
Entity NameWilliamson Imaging, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578581294
PECOS PAC ID: 3375447139
Enrollment ID: O20031122000094
Entity NameRadiology Alliance Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861478489
PECOS PAC ID: 1850280470
Enrollment ID: O20040312000115
Entity NameVanderbilt Imaging Services, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144241985
PECOS PAC ID: 2163417882
Enrollment ID: O20040420000724
Entity NameOne Hundred Oaks Imaging,llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1245485549
PECOS PAC ID: 1355490756
Enrollment ID: O20090513000651
Entity NameVanderbilt Imaging Services, Llc
Entity TypePart B Supplier - Independent Diagnostic Testing Facility (idtf)
Entity IdentifiersNPI Number: 1457644429
PECOS PAC ID: 2163417882
Enrollment ID: O20111118000122
Entity NameHouston County Community Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851642540
PECOS PAC ID: 2668636036
Enrollment ID: O20140123001204
Entity NameVanderbilt University Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104202761
PECOS PAC ID: 5092023416
Enrollment ID: O20151006000369

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr William Allison Barret is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr William Allison Barret, MD, MS
180 9th Ave N Apt 502,
Nashville, TN 37203-3616

Ph: (310) 508-7294		Dr William Allison Barret, MD, MS
1310 24th Ave S,
Nashville, TN 37212-2637

Ph: (615) 327-4751

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.