Richard M. Gewanter, MD
Radiation Oncology Physician · Rockville Centre, NY
Richard M. Gewanter, MD is a radiation oncology physician with a practice address in Rockville Centre, New York, and NPI 1992750582, issued on May 23, 2006. Check the license (New York 209945-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Richard M. Gewanter
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 209945-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Village Ave, Rockville Centre, NY 11570
- Phone
- (516) 256-3600
- Enumerated
- May 23, 2006
- Record last updated
- Apr 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (516) 256-1644
- Medicaid ID
- 02375588 NY
- Medicare enrollment
- Enrolled (PECOS I20070607000667); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1000 N Village Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shiby Abraham, MDPsychiatry Physician1437547437
- Alyssa AbramowitzPhysical Therapist1699314567
- Lynn Adams, NPAdult Health Nurse Practitioner1396884656
- Nazia Ahmad, PHARM DPharmacist1124318324
- Jonathan Akilov, PAPhysician Assistant1700410701
- Emily Alberto, DPTPhysical Therapist1013419126
Verify Richard M. Gewanter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 209945-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% more Medicare Part D claims than the average radiation oncology physician in 2024
183 Medicare Part D claims for 72 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Tamsulosin Hcl66 claims
- Oxybutynin Chloride Er17 claims
- Pentoxifylline16 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): 96 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
- Memorial Radiation Oncology GroupNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
Other radiation oncology physician records in New York
- Lamiaa Abdallah, M.D.New York, NY1770105728
- Marc Adams, M.D.Staten Island, NY1275519142
- Khaled Adil, MDAlbany, NY1669944237
- Muhammad Afridi, MDOgdensburg, NY1699915116
- Vishesh Agrawal, M.D.New Hyde Park, NY1043669690
- Jalal Ahmed, MD,PHDNew York, NY1811341944
- Charles Albrecht, M.D.Clifton Springs, NY1659368488
- Ryan Alden, MDSaratoga Springs, NY1689298994
- Kaled Alektiar, MDNew York, NY1144200791
- Tracy Alpert, M.D.East Syracuse, NY1366421737
Common questions
What is Richard M. Gewanter, MD's NPI number?
Richard M. Gewanter, MD's National Provider Identifier (NPI) is 1992750582, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard M. Gewanter, MD located?
The NPPES record lists a practice address at 1000 N Village Ave, Rockville Centre, NY, 11570. Phone: (516) 256-3600. Providers update this record themselves, so call before visiting.
How can I verify Richard M. Gewanter, MD's license?
NPPES lists New York license number 209945-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard M. Gewanter, MD prescribe under Medicare Part D?
In 2024, Richard M. Gewanter, MD had 183 Medicare Part D claims for 72 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Richard M. Gewanter, MD's MIPS final score?
The 2023 MIPS final score is 96 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.