Doctor profile · Federal record

Dr. Benjamin Onderdonk, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Rochester, NY

  • NPI 1013370295
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1425 Portland Ave
Rochester, NY 146213011
(585) 922-4031
fax (585) 922-2971
Additional location
127 North St
Batavia, NY 140201631
(585) 344-5225
fax (585) 344-7475
Additional location
1561 Long Pond RD
Rochester, NY 146264117
Show 2 more locations
Additional location
2 Coulter RD Ste 2615
Clifton Springs, NY 144321122
(315) 462-5711
fax (315) 462-5361
Additional location
20 Hagen Dr Ste 100
Rochester, NY 146252665
Mailing address
100 Kings Hwy S
Rochester, NY 146175504

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
July 2, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
New York #309314 · Illinois #125.069772

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013370295. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
720
Distinct HCPCS
10
Medicare allowed
$49,434
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 315 13 $37
77300 Calculation of radiation therapy dose 85 16 $30
77300 Calculation of radiation therapy dose 71 12 $30
77427 Radiation treatment management, 5 treatment sessions 57 15 $171
77427 Radiation treatment management, 5 treatment sessions 47 12 $171
99214 Established patient office or other outpatient visit, 30-39 minutes 34 23 $87
77334 Design and construction of complex radiation treatment device 29 24 $54
77263 Complex radiation therapy planning 28 26 $151
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $162
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $88

In context: peer comparison

Among 15 peers in Rochester Radiation Oncology Physician, average services per provider: 70. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$166
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Siemens Medical Solutions USA, INC. 1 $128.00
Teleflex LLC 1 $37.66

By nature of payment

Food and Beverage
$166

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
61
Total drug cost
$4,110
Drug Type Claims Patients Total cost
Mometasone Furoate Generic 41 37 $1,907
Tamsulosin Hcl Generic 23 0 $348
Oxycodone Hcl Generic 21 13 $643
Gabapentin Generic 19 0 $301
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 18 11 $203
Dexamethasone Generic 12 0 $552
Nystatin Generic 11 0 $155

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Benjamin Onderdonk's medical specialty?
Dr. Benjamin Onderdonk practices Radiation Oncology Physician in Rochester, NY.
Where does Dr. Benjamin Onderdonk practice?
Dr. Benjamin Onderdonk practices at 1425 Portland Ave, Rochester, NY 146213011. Office phone: 5859224031.
What is Dr. Benjamin Onderdonk's NPI?
Dr. Benjamin Onderdonk's National Provider Identifier (NPI) is 1013370295, issued by NPPES.
Does Dr. Benjamin Onderdonk accept Medicare assignment?
Yes. Dr. Benjamin Onderdonk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Onderdonk commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.