Brian Alexander Williams, MD
Radiation Oncology Physician · Bardstown, KY
Brian Alexander Williams, MD is a radiation oncology physician with a practice address in Bardstown, Kentucky, and NPI 1528086873, issued on Jul 17, 2006. Check the license (Kentucky 39472, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Brian Alexander Williams
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 39472 KY
Self-reported in NPPES; status is on the state search - Practice location
- 4359 New Shepherdsville RD Unit 100, Bardstown, KY 40004
- Phone
- (502) 350-5700
- Enumerated
- Jul 17, 2006
- Record last updated
- Jun 24, 2026
- Fax
- (502) 350-5701
- Medicaid IDs
- 201011980 IN
64102882 KY - Medicare enrollment
- Enrolled (PECOS I20050809000503); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 88 in Kentucky → Look up another NPI →
Also registered at 4359 New Shepherdsville RD Unit 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Morgan Hack, APRNFamily Nurse Practitioner1194598508
- Dominique Leroy, APRNAcute Care Nurse Practitioner1528148749
- Lauren Osborne, APRN, FNP-CFamily Nurse Practitioner1891457917
- Kristie Paris, MDRadiation Oncology Physician1114032505
- Dale Vincent, APRNFamily Nurse Practitioner1205164936
- Patrick Williams, M.D.Medical Oncology Physician1598728727
Verify Brian Alexander Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 39472Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average radiation oncology physician in 2024
63 Medicare Part D claims for 37 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $621.14
17 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Flaget Healthcare IncBardstown, KY
- Saint Joseph Health System IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Alexander Williams among 88 radiation oncology physician records in Kentucky
Brian Alexander Williams, MD is one of 88 radiation oncology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 44% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1995 · median 2004 among the 68 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Kentucky
There are 88 radiation oncology physician records in Kentucky.
All 88 in Kentucky → Every provider in Bardstown → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Kristie Paris, MDBardstown, KY 400041114032505
- Yong Cha, MD, PHDLouisville, KY 402021568635332
- Andrew Donovan, MDLouisville, KY 402021407353139
- Neal Dunlap, MDLouisville, KY 402021932310422
- Michael Hahl, M.D.Louisville, KY 402021811954449
- Baby Jose, MDLouisville, KY 402021568570497
- Alden KlarerLouisville, KY 402021104211341
- Adrianna Masters, MD, PHDLouisville, KY 402021306265327
Common questions
What is Brian Alexander Williams, MD's NPI number?
Brian Alexander Williams, MD's National Provider Identifier (NPI) is 1528086873, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Alexander Williams, MD located?
The NPPES record lists a practice address at 4359 New Shepherdsville RD Unit 100, Bardstown, KY, 40004. Phone: (502) 350-5700. Providers update this record themselves, so call before visiting.
How can I verify Brian Alexander Williams, MD's license?
NPPES lists Kentucky license number 39472, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Alexander Williams, MD prescribe under Medicare Part D?
In 2024, Brian Alexander Williams, MD had 63 Medicare Part D claims for 37 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.