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Summary
Benjamin Ernst Onderdonk, MD, MS, is a radiation oncologist with Rochester Regional Health who treats cancerous and benign conditions using advanced radiotherapy techniques, including IMRT/IGRT, brachytherapy, radiosurgery, stereotactic body radiotherapy (SBRT), and radiopharmaceutical therapies. A Rochester native, Dr. Onderdonk was inspired to pursue oncology after losing his mother to breast cancer as a child. He is committed to providing compassionate, patient-centered care and works closely with multidisciplinary specialists across the health system to ensure coordinated treatment. Outside of medicine, he enjoys spending time with his wife and three children and pursuing outdoor and homesteading activities.
Quick Facts
- accepting new patients
- 10 years of experience
- 9 insurance plans accepted
- Memorial Sloan Kettering Cancer Center
- 2 specialties
- 4 areas of expertise
- 1 office location
- Male
Office Location
RRH Lipson Cancer Institute - 20 Hagen
20 Hagen Dr Ste 100Rochester, NY 14625 Tel: (585) 922-4020
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  | | |
| Benjamin E. Onderdonk, MD | Yirong Liu | Dr. Khusraw Sabit | Dr. Gukan Sakthivel |
| Radiation Oncology | Radiation Oncology | Radiation Oncology | Radiation Oncology |
| Accepts New Patients | |||
| 10 Years of Experience | 13 Years of Experience | 7 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Rochester , NY | Chicago , IL | Rochester , NY | Syracuse , NY |
| Med School: Suny Upstate Medical University Alan And Marlene Norton Coll Of Med | Med School: Shanghai Medical College Fudan University | Med School: Oakland University William Beaumont School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Benjamin E. Onderdonk
Medical Specialties
Benjamin E. Onderdonk has the following 2 specialties
Specialty Expertise
Benjamin E. Onderdonk has the following 4 areas of expertise
Certifications, License, & Education
10 Years Experience
Benjamin E. Onderdonk holds an expired medical license in the state of New York.
Medical License
Medical Doctor with an expired medical license in the state of New York that expired in 2026.
Education & Training
Residency
Completed their residency at Memorial Sloan Kettering Cancer Center.
Medical School
Graduated from Suny Upstate Medical University Alan And Marlene Norton Coll Of Med in 2016.
NPI Number
Benjamin E. Onderdonk's NPI number is 1013370295.
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Frequently Asked Questions
- Does Benjamin Onderdonk accept virtual/telehealth appointments?
- Benjamin Onderdonk has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Benjamin Onderdonk's office located?
- Benjamin Onderdonk's office is located at 20 Hagen Dr Ste 100, Rochester, NY, 14625.
- How can I make an appointment with Benjamin Onderdonk?
- You can find contact information for Benjamin Onderdonk here on Vitals.
- Does Benjamin Onderdonk accept my insurance?
- You can see the insurance plans that Benjamin Onderdonk accepts on their Vitals profile.
- Is Benjamin Onderdonk accepting new patients?
- Benjamin Onderdonk is accepting new patients on Vitals. View Benjamin Onderdonk's profile on Vitals to make an appointment.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
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