Gary Stillwagon, M.D
Radiation Oncology Physician · Lawrenceville, GA
Gary Stillwagon, M.D is a radiation oncology physician with a practice address in Lawrenceville, Georgia, and NPI 1548244817, issued on Dec 1, 2005. Check the license (Georgia 035774, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gary Stillwagon
- Credential
- M.D
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 035774 GA
Self-reported in NPPES; status is on the state search - Practice location
- 698 Duluth Hwy, Lawrenceville, GA 30046
- Phone
- (770) 962-8888
- Enumerated
- Dec 1, 2005
- Record last updated
- Jul 13, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (770) 963-7447
- Medicaid IDs
- 000582524H GA
000582524J GA - Medicare enrollment
- Enrolled (PECOS I20040405000744); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 180 in Georgia → Look up another NPI →
Also registered at 698 Duluth Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Partlow, RPHAmbulatory Care Pharmacist1003363276
- Claudia Warren-Wheat, LCSWClinical Social Worker1366872178
- Doris Williams, LCSWClinical Social Worker1164845285
Verify Gary Stillwagon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 035774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average radiation oncology physician in 2024
30 Medicare Part D claims for 14 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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 practice group's MIPS final score for 2023 (Medicare payment program): 98.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.04
1 payment: 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 one group practice
- North Atlanta Professional Services LLCMacon, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Stillwagon among 180 radiation oncology physician records in Georgia
Gary Stillwagon, 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
- Graduated1983 · median 2004 among the 142 with a school on file
- Record last updated2015 · 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 Lawrenceville → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Mudit Chowdhary, MDLawrenceville, GA 300461821450248
- Joseph Lee, MD, PHDLawrenceville, GA 300461811518319
- Leela Maxa, MDLawrenceville, GA 300461427032663
- David Yoo, M.D., PH.D.Lawrenceville, GA 300461598939019
- John Gargus, MDLawrenceville, GA 300451851375505
- Philip Shrake, MDLawrenceville, GA 300451376527531
- Shelley Machuta Fernandes, MDCumming, GA 300411639153828
- Edmund Simon, M.D.Cumming, GA 300411730366865
Common questions
What is Gary Stillwagon, M.D's NPI number?
Gary Stillwagon, M.D's National Provider Identifier (NPI) is 1548244817, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary Stillwagon, M.D located?
The NPPES record lists a practice address at 698 Duluth Hwy, Lawrenceville, GA, 30046. Phone: (770) 962-8888. Providers update this record themselves, so call before visiting.
How can I verify Gary Stillwagon, M.D's license?
NPPES lists Georgia license number 035774, 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 Gary Stillwagon, M.D prescribe under Medicare Part D?
In 2024, Gary Stillwagon, M.D had 30 Medicare Part D claims for 14 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Gary Stillwagon, M.D's MIPS final score?
The 2023 MIPS final score is 98.3 of 100, reported for the practice group. 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.