Dr. Richard M. Gewanter, MD
- Medicare services, 2024
- 1,820
- Medicare patients, 2024
- 329
- Part D claims, 2024
- 183
- Publications
- 15
- MIPS score, 2024
- 91
- Practice address
- 1275 York Avenue, New York, NY 10065
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gewanter's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Richard M. Gewanter is a radiation oncologist in New York, New York
Dr. Gewanter practices at Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center.
Dr. Gewanter's NPI, 1992750582, was assigned on May 23, 2006. Dr. Gewanter graduated from Albert Einstein College of Medicine in 1995. Dr. Gewanter holds New York license 209945-1.
- NPI
- 1992750582NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032217492
- NPI enumeration date
- May 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Richard M. Gewanter practices at Memorial Sloan Kettering Cancer Center in New York, New York
Dr. Gewanter's primary practice is Memorial Sloan Kettering Cancer Center, at 1275 York Avenue, New York, NY 10065.
- Memorial Sloan Kettering Cancer Center1275 York Avenue, New York, NY 10065
Source: Dmand AI Affiliation Data
Dr. Richard M. Gewanter is affiliated with 2 sites of care and 3 medical groups
Dr. Gewanter's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dr. Gewanter is also affiliated with Mercy Hospital. The medical group on file is Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Gewanter to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Richard M. Gewanter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gewanter practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Sloan Kettering Cancer Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Memorial Sloan Kettering Cancer Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Richard M. Gewanter is one of 385 radiation oncologists in New York
Radiation oncology is Dr. Gewanter's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Gewanter is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Gewanter's licenses on file in 3 states: New York, Florida and Connecticut.
Specialties and state licenses
- Radiation oncology, New YorkPrimary
- Florida license
- Connecticut license
Clinical focus
Dmand AI lists bladder cancer radiation, bone cancer radiation, brain cancer radiation, breast cancer radiation, lung cancer radiation and prostate cancer radiation among the conditions Dr. Gewanter treats.
Radiation oncologists near Dr. Gewanter
Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Richard M. Gewanter billed Medicare for 1,820 services in 2024
CMS data shows 1,820 Medicare services from Dr. Gewanter across 18 procedure codes in 2024, for 329 Medicare patients. Medicare paid $171,107 for them. Every service was in an office.
Dr. Gewanter's Medicare services by type, 2024
- Imaging956
- Other services513
- Office and hospital visits351
Dr. Gewanter compared with the New York median for radiation oncologists, 2024
- Dr. Gewanter
- New York median
- Medicare services
- 1,820vs 1,05473% above
- Medicare patients
- 329vs 1602.1 times
- Part D claims
- 99vs 362.8 times
Medians across 368 radiation oncologists in New York with Dmand AI profiles that report each measure.
Dr. Gewanter's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gewanter and other radiation oncologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Richard M. Gewanter treated 329 Medicare patients in 2024, average age 75
CMS counts 329 Medicare patients who saw Dr. Gewanter in 2024. The largest group is 65 to 74, with 157 patients. 75% of them have cancer, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gewanter's median patient age at 74, with 26% women.
Dr. Gewanter's Medicare patients by age, 2024
Dr. Gewanter's Medicare patients by sex, 2024
- Women16249%
- Men16751%
Chronic conditions among Dr. Gewanter's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease38%
- Diabetes34%
- Anxiety31%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gewanter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women26%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Richard M. Gewanter wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Gewanter wrote 183 Medicare Part D claims for 72 patients. 93% of them were for generic drugs. CMS names the drug for 99 of them, across 3 drugs with 11 or more claims each, at $1,081 in total drug cost.
Dr. Gewanter's Part D claims by kind of drug, 2024
- Generic170 claims93%
- Brand-name13 claims7%
Dr. Gewanter's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gewanter's Part D claims, 2024
- Antibiotics7%13 of 183 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Richard M. Gewanter scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Gewanter for performance year 2024, reported as part of a group. Dr. Gewanter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gewanter as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gewanter's MIPS scores, performance year 2024
- 91of 100Final score
- 93.7of 100Quality
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Richard M. Gewanter has 15 publications on record
Dmand AI links 15 papers to Dr. Gewanter, published from 2015 to 2023. 2020 was the busiest year, with 4. The most frequent topics are Prostate-Specific Antigen, Prostatic Neoplasms and Radiotherapy, Intensity-Modulated. Dr. Gewanter has published most often in Int J Radiat Oncol Biol Phys. Dr. Gewanter's most frequent co-authors are Borys R. Mychalczak, MD, Marisa A. Kollmeier, MD and Michael J. Zelefsky, MD.
Dr. Gewanter's papers by year, 2015 to 2023
Topics Dr. Gewanter writes about most
- Prostate-Specific Antigen
- Prostatic Neoplasms
- Radiotherapy, Intensity-Modulated
- Tomography, X-Ray Computed
- Organs at Risk
- Radiation Injuries
- Radiotherapy Dosage
- Radiotherapy Planning, Computer-Assisted
Dr. Gewanter's most frequent co-authors
- Borys R. Mychalczak, MD6 shared papers
- Marisa A. Kollmeier, MD5 shared papers
- Michael J. Zelefsky, MD5 shared papers
Recent publications by Dr. Gewanter
J Appl Clin Med Phys
Int J Radiat Oncol Biol Phys
See who Dr. Gewanter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gewanter works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Richard M. Gewanter has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Gewanter, most recently Newsday - Top Doctors on Long Island in 2014.
Awards and honors for Dr. Gewanter
- 2014
- Newsday - Top Doctors on Long Island
- Top Doctors: New York Metro Area
Source: Dmand AI Professional Profile Data
Dr. Richard M. Gewanter graduated from Albert Einstein College of Medicine
Dr. Gewanter graduated from Albert Einstein College of Medicine in 1995.
- Medical school
- Board certified in radiation oncology
Source: Dmand AI Professional Profile Data
Dr. Richard M. Gewanter accepts plans from 13 insurance carriers
Dr. Gewanter is in network with 13 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- MVP Health Care
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Gewanter accepts, by number of carriers
- Medicare8
- PPO8
- EPO5
- HMO4
- POS4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Richard M. Gewanter's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Richard M. Gewanter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Richard M. Gewanter's NPI number?
Dr. Richard M. Gewanter's NPI number is 1992750582. It was assigned on May 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Richard M. Gewanter?
Dr. Richard M. Gewanter is a radiation oncologist in New York, New York. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Richard M. Gewanter practice?
Dr. Gewanter practices at 1275 York Avenue, New York, NY 10065. Dr. Gewanter's primary practice is Memorial Sloan Kettering Cancer Center in New York, New York, part of Memorial Sloan Kettering Cancer Center. Dmand AI also links Dr. Gewanter to 2 medical groups.
What is Dr. Richard M. Gewanter's medical license number?
Dr. Gewanter holds New York license 209945-1, one of the licenses on file in 3 states.
Which states has Dr. Richard M. Gewanter been licensed in?
Dmand AI has state licenses on file for Dr. Gewanter in New York (1998 to 2026), Florida (since 2024) and Connecticut (2002 to 2005).
Which hospitals is Dr. Richard M. Gewanter affiliated with?
Dr. Gewanter practices at Memorial Sloan Kettering Cancer Center in New York, New York. Dr. Gewanter is also affiliated with Mercy Hospital.
What medical group is Dr. Richard M. Gewanter part of?
Dr. Gewanter is linked to Memorial Sloan Kettering Cancer Center. Dmand AI links Dr. Gewanter to 2 more medical groups.
Does Dr. Richard M. Gewanter accept Medicare?
Yes. CMS data shows Dr. Gewanter billed Medicare for 1,820 services in 2024, and Dr. Gewanter accepts Medicare assignment.
Does Dr. Richard M. Gewanter offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gewanter as offering telehealth services.
What is Dr. Richard M. Gewanter's MIPS score?
Dr. Gewanter's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Richard M. Gewanter see?
CMS counts 329 Medicare patients who saw Dr. Gewanter in 2024, with an average age of 75.
Is Dr. Richard M. Gewanter board certified?
Yes. Dr. Gewanter is board certified in radiation oncology by the American Board of Radiology.
What services does Dr. Richard M. Gewanter bill to Medicare?
In 2024, Dr. Gewanter's most billed Medicare services were medicare service (G6002), radiation oncology (77300) and office visit, established patient (99213).
Where did Dr. Richard M. Gewanter go to medical school?
Dr. Gewanter graduated from Albert Einstein College of Medicine in 1995.
What drugs does Dr. Richard M. Gewanter prescribe most?
In 2024 Medicare Part D data, Dr. Gewanter's most prescribed drugs by claims were Tamsulosin HCl, Oxybutynin Chloride ER and Pentoxifylline.
How long has Dr. Richard M. Gewanter been practicing?
Dr. Gewanter graduated from medical school in 1995, 31 years ago.
Does Dr. Richard M. Gewanter do research?
Dmand AI links 15 publications to Dr. Gewanter, published from 2015 to 2023.
Who does Dr. Richard M. Gewanter publish with?
Dr. Gewanter's most frequent co-authors are Borys R. Mychalczak, MD (6 shared papers), Marisa A. Kollmeier, MD (5 shared papers) and Michael J. Zelefsky, MD (5 shared papers).
What insurance does Dr. Richard M. Gewanter accept?
Dr. Gewanter is in network with 13 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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