Sean S. Mahase, MD
Radiation Oncology Physician · Columbus, OH
Sean S. Mahase, MD is a radiation oncology physician with a practice address in Columbus, Ohio, and NPI 1629430699, issued on Mar 28, 2016. Check the license (Ohio 35C.003850, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Sean S. Mahase
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 35C.003850 OH
MD473569 PA
Self-reported in NPPES; status is on the state search - Practice location
- 460 W 10TH Ave, Columbus, OH 43210
- Phone
- (614) 293-8415
- Enumerated
- Mar 28, 2016
- Record last updated
- Jun 12, 2026
- Fax
- (614) 293-4044
- Medicare enrollment
- Enrolled (PECOS I20210709001607); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 298 in Ohio → Look up another NPI →
Also registered at 460 W 10TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amina Abdule, APRN-CNPFamily Nurse Practitioner1316346786
- Megan Adelman, PA-CPhysician Assistant1437355492
- Hailey AdlerPhysician Assistant1740024843
- Taimoor Adnan, M.D.Internal Medicine Physician1225481088
- Laura Adorni, C.N.P.Nurse Practitioner1295181832
- Mariam Ahmed, APRN-CNPAcute Care Nurse Practitioner1609612035
Verify Sean S. Mahase in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35C.003850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 71.2 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).
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean S. Mahase among 298 radiation oncology physician records in Ohio
Sean S. Mahase, MD is one of 298 radiation oncology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2016 · median 2008 among the 226 with a school on file
- Record last updated2026 · 50% 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 Ohio 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 Ohio
There are 298 radiation oncology physician records in Ohio.
All 298 in Ohio → Every provider in Columbus → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Aashish Bhatt, MDColumbus, OH 432101790953297
- Dukagjin Blakaj, MDColumbus, OH 432101144483272
- Arnab Chakravarti, M.D.Columbus, OH 432101073549515
- Virginia Diavolitsis, MDColumbus, OH 432101275799181
- Dayssy Diaz Pardo, M.D.Columbus, OH 432101962722207
- John Grecula, MDColumbus, OH 432101871691592
- Karl Haglund, MD, PHDColumbus, OH 432101518093996
- Young Kwon, MDColumbus, OH 432101043548209
Common questions
What is Sean S. Mahase, MD's NPI number?
Sean S. Mahase, MD's National Provider Identifier (NPI) is 1629430699, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Sean S. Mahase, MD located?
The NPPES record lists a practice address at 460 W 10TH Ave, Columbus, OH, 43210. Phone: (614) 293-8415. Providers update this record themselves, so call before visiting.
How can I verify Sean S. Mahase, MD's license?
NPPES lists Ohio license number 35C.003850, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Sean S. Mahase, MD's MIPS final score?
The 2023 MIPS final score is 71.2 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.