W. Hamilton Williams, M.D.
Radiation Oncology Physician · Atlanta, GA
W. Hamilton Williams, M.D. is a radiation oncology physician with a practice address in Atlanta, Georgia, and NPI 1407846561, issued on Oct 28, 2005. Check the license (Georgia 036041, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- W. Hamilton Williams
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036041 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Johnson Ferry RD NE, Atlanta, GA 30342
- Phone
- (404) 851-8850
- Enumerated
- Oct 28, 2005
- Record last updated
- Aug 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (404) 851-6010
- Medicaid IDs
- 461790349D GA
461790349F GA
461790349G GA
00508659C GA - Medicare enrollment
- Enrolled (PECOS I20050729000858); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 180 in Georgia → Look up another NPI →
Also registered at 1000 Johnson Ferry RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aziza Aboubaker, PHARM.DPharmacist1508859224
- Christine Adams, CRNACertified Registered Nurse Anesthetist1154317881
- Rachel AgnewRegistered Dietitian1023280450
- Shayan Ahmadi, PAAAAnesthesiologist Assistant1902181738
- Jordan Aigner, PAAAAnesthesiologist Assistant1184975856
- Raymond AllenMaternal & Fetal Medicine Physician1144230251
Verify W. Hamilton Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 036041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% more Medicare Part D claims than the average radiation oncology physician in 2024
246 Medicare Part D claims for 75 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl168 claims
- Doxazosin Mesylate42 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.
The MIPS final score for 2023 (Medicare payment program): 69.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $121.86
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
W. Hamilton Williams among 180 radiation oncology physician records in Georgia
W. Hamilton Williams, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1989 · median 2004 among the 142 with a school on file
- Record last updated2011 · 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.
All 180 in Georgia → Every provider in Atlanta → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Tina Dasgupta, M.D., PH.D.Atlanta, GA 303421356500656
- Philip Duncan, M.D.Atlanta, GA 303421477503449
- David Elkon, MDAtlanta, GA 303421306828389
- Stephen Golder, M.D.Atlanta, GA 303421154434264
- Katherine MartinAtlanta, GA 303421104453083
- Ajaykumar PatelAtlanta, GA 303421184982639
- Frederick Schnell, M.D.Atlanta, GA 303421487638607
- Sarah SinghAtlanta, GA 303421881125391
Common questions
What is W. Hamilton Williams, M.D.'s NPI number?
W. Hamilton Williams, M.D.'s National Provider Identifier (NPI) is 1407846561, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is W. Hamilton Williams, M.D. located?
The NPPES record lists a practice address at 1000 Johnson Ferry RD NE, Atlanta, GA, 30342. Phone: (404) 851-8850. Providers update this record themselves, so call before visiting.
How can I verify W. Hamilton Williams, M.D.'s license?
NPPES lists Georgia license number 036041, 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 W. Hamilton Williams, M.D. prescribe under Medicare Part D?
In 2024, W. Hamilton Williams, M.D. had 246 Medicare Part D claims for 75 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is W. Hamilton Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 69.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.