NPPES file of Aug 9, 2026

Aaron O. Williams, MD

Radiation Oncology Physician · Dublin, GA

Aaron O. Williams, MD is a radiation oncology physician with a practice address in Dublin, Georgia, and NPI 1184691016, issued on Feb 28, 2006. Check the license (Georgia 91928, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184691016
Name
Aaron O. Williams
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
91928 GA
Self-reported in NPPES; status is on the state search
Practice location
2406 Bellevue RD Ste 7, Dublin, GA 31021
Phone
(478) 272-2255
Enumerated
Feb 28, 2006
Record last updated
Oct 11, 2024
Fax
(478) 275-9134
Medicare enrollment
Enrolled (PECOS I20220729000334); accepts Medicare assignment
Medical or professional school
University Of South Florida College Of Medicine, 1993
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2406 Bellevue RD Ste 7

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erich Randolph, MDRadiation Oncology Physician1598703456

Verify Aaron O. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 91928
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Georgia license search

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51% fewer Medicare Part D claims than the average radiation oncology physician in 2024

66 Medicare Part D claims for 25 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Aaron Williams66
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl13 claims
  2. Pilocarpine Hcl11 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: $37.90

2 payments; by number, the most common kind was education; the largest payer was Regeneron Healthcare Solutions, Inc. 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.

  1. Aaron Williams$37.90
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. 2406 Cancer Care LLCDublin, GA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aaron O. Williams among 180 radiation oncology physician records in Georgia

Aaron O. Williams, MD is one of 180 radiation oncology physician records with a practice address in Georgia. 85% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 53% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1993 · median 2004 among the 142 with a school on file
  • Record last updated2024 · 62% 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 Georgia 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 Georgia

There are 180 radiation oncology physician records in Georgia.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Erich Randolph, MDDublin, GA 310211598703456
  2. Craig Wilkinson, MDHawkinsville, GA 310361720026594
  3. Harvey Simpson, M.D.Milledgeville, GA 310611730180159
  4. John Barrett, MDAugusta, GA 309121568571537
  5. Byron Dasher, M.D.Augusta, GA 309121518923416
  6. William Grubb, M.D.Augusta, GA 309121790170017
  7. Jed Howington, M.D.Augusta, GA 309121417913070
  8. Jerry Howington, M.D.Augusta, GA 309121790741692

Common questions

What is Aaron O. Williams, MD's NPI number?

Aaron O. Williams, MD's National Provider Identifier (NPI) is 1184691016, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron O. Williams, MD located?

The NPPES record lists a practice address at 2406 Bellevue RD Ste 7, Dublin, GA, 31021. Phone: (478) 272-2255. Providers update this record themselves, so call before visiting.

How can I verify Aaron O. Williams, MD's license?

NPPES lists Georgia license number 91928, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Aaron O. Williams, MD prescribe under Medicare Part D?

In 2024, Aaron O. Williams, MD had 66 Medicare Part D claims for 25 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.