Mark S. Quinn, MD
Radiation Oncology Physician · Marietta, GA
Mark S. Quinn, MD is a radiation oncology physician with a practice address in Marietta, Georgia, and NPI 1518905470, issued on Jun 3, 2006. Check the license (Georgia 050316, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Quinn
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 050316 GA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Kennestone Hospital Blvd, Marietta, GA 30060
- Phone
- (770) 793-7500
- Enumerated
- Jun 3, 2006
- Record last updated
- Aug 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (770) 793-7985
- Medicaid IDs
- 000911325G GA
656499202B GA
656499202C GA
656499202D GA - Medicare enrollment
- Enrolled (PECOS I20040816001285); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 180 in Georgia → Look up another NPI →
Also registered at 320 Kennestone Hospital Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheree Brown, M.D.Radiation Oncology Physician1629085881
- Sarah Burzynski, MS, CGCGenetic Counselor (M.S.)1508479825
- David Cantrell, MDInternal Medicine Physician1467425124
- Ryan Cantwell, MDInternal Medicine Physician1023007457
- Charles Crabbe, MDInternal Medicine Physician1891784229
- Spencer FavorGenetic Counselor (M.S.)1891679718
Verify Mark S. Quinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 050316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average radiation oncology physician in 2024
280 Medicare Part D claims for 69 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 35 claims were for opioids.
Most prescribed
- Tamsulosin Hcl81 claims
- Finasteride61 claims
- Acetaminophen-Codeine33 claims
- Methylprednisolone33 claims
- Amoxicillin-Clavulanate Potass29 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 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: $210.62
10 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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 LLCAlpharetta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark S. Quinn among 180 radiation oncology physician records in Georgia
Mark S. Quinn, 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
- Graduated1992 · median 2004 among the 142 with a school on file
- Record last updated2012 · 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 Marietta → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Sheree Brown, M.D.Marietta, GA 300601629085881
- David Carpenter, MD, MHSCMarietta, GA 300601558865816
- Rohit Ganju, MDMarietta, GA 300601902292956
- Lorie Hughes, MDMarietta, GA 300601578613667
- Mark McLaughlin, MDMarietta, GA 300601093865198
- Olusola Obayomi-Davies, MDMarietta, GA 300601245521905
- Andrea Thompson, MDMarietta, GA 300601720667652
- Mudit Chowdhary, MDLawrenceville, GA 300461821450248
Common questions
What is Mark S. Quinn, MD's NPI number?
Mark S. Quinn, MD's National Provider Identifier (NPI) is 1518905470, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Quinn, MD located?
The NPPES record lists a practice address at 320 Kennestone Hospital Blvd, Marietta, GA, 30060. Phone: (770) 793-7500. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Quinn, MD's license?
NPPES lists Georgia license number 050316, 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 Mark S. Quinn, MD prescribe under Medicare Part D?
In 2024, Mark S. Quinn, MD had 280 Medicare Part D claims for 69 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Mark S. Quinn, MD'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.