Doctor profile · Federal record

Dr. Richard Gewanter, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Rockville Centre, NY

  • NPI 1992750582
  • Accepts Medicare
  • MIPS 93.7 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 N Village Ave, Memorial Sloan-Kettering Cancer Center
Rockville Centre, NY 115701000
(516) 256-3600
fax (516) 256-1644

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 25, 2008
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
New York #209945-1
Medicaid
NY #02375588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992750582. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,299
Distinct HCPCS
10
Medicare allowed
$238,420
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 998 170 $24
77300 Calculation of radiation therapy dose 270 78 $38
77427 Radiation treatment management, 5 treatment sessions 216 104 $224
99213 Established patient office or other outpatient visit, 20-29 minutes 116 89 $76
77334 Design and construction of complex radiation treatment device 107 87 $68
99205 New patient office or other outpatient visit, 60-74 minutes 94 94 $211
77338 Design and construction of radiation treatment device for high precision radiation therapy 75 71 $257
77301 High precision radiation therapy planning 74 71 $479
99215 Established patient office or other outpatient visit, 40-54 minutes 74 65 $165
77263 Complex radiation therapy planning 71 70 $197

In context: peer comparison

Among 1 peers in this city , average services per provider: 127. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
120
Patients
20
Total drug cost
$14,767
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 63 20 $622
Myrbetriq (Mirabegron) Brand 18 0 $12,202
Omeprazole Generic 14 0 $116
Finasteride Generic 13 0 $43
Sucralfate Generic 12 0 $1,783

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Gewanter's medical specialty?
Dr. Richard Gewanter practices Radiation Oncology Physician in Rockville Centre, NY.
Where does Dr. Richard Gewanter practice?
Dr. Richard Gewanter practices at 1000 N Village Ave, Rockville Centre, NY 115701000. Office phone: 5162563600.
What is Dr. Richard Gewanter's NPI?
Dr. Richard Gewanter's National Provider Identifier (NPI) is 1992750582, issued by NPPES.
Does Dr. Richard Gewanter accept Medicare assignment?
Yes. Dr. Richard Gewanter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Gewanter commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Calculation of radiation therapy dose (HCPCS 77300); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.