Dr Benjamin Ernst Onderdonk, MD - Medicare Radiation Oncology in Rochester, NY

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Dr Benjamin Ernst Onderdonk, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Rochester, New York. He went to State University Of Ny Upstate Medical University and graduated in 2016 and has 8 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Clifton Springs Sanitarium Co, Rochester General Hospital, United Memorial Medical Center and his current practice location is 1425 Portland Ave, Rochester, New York. You can reach out to his office (for appointments etc.) via phone at (585) 922-4031.

Dr Benjamin Ernst Onderdonk is licensed to practice in New York (license number 309314) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1013370295.

Contact Information

Dr Benjamin Ernst Onderdonk, MD
1425 Portland Ave,
Rochester, NY 14621-3011
(585) 922-4031
(585) 922-2971

Map and Direction




Physician's Profile

Full NameDr Benjamin Ernst Onderdonk
GenderMale
SpecialityRadiation Oncology
Experience8 Years
Location1425 Portland Ave, Rochester, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Benjamin Ernst Onderdonk attended and graduated from State University Of Ny Upstate Medical University in 2016
  NPI Data:
  • NPI Number: 1013370295
  • Provider Enumeration Date: 04/04/2016
  • Last Update Date: 07/02/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6507137585
  • Enrollment ID: I20210709002810

Medical Identifiers

Medical identifiers for Dr Benjamin Ernst Onderdonk such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013370295NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0001XRadiology - Radiation Oncology 125.069772 (Illinois)Secondary
2085R0001XRadiology - Radiation Oncology 309314 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
United Memorial Medical CenterBatavia, NYHospital
Rochester General HospitalRochester, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Clifton Springs Sanitarium Co509270480985
Rochester General Hospital0244149474891
United Memorial Medical Center0547259376180

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Benjamin Ernst Onderdonk allows following entities to bill medicare on his behalf.
Entity NameRochester General Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356412712
PECOS PAC ID: 0244149474
Enrollment ID: O20031121000644
Entity NameThe Unity Hospital Of Rochester
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760421713
PECOS PAC ID: 9436060969
Enrollment ID: O20031230000038
Entity NameUnited Memorial Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902800352
PECOS PAC ID: 0547259376
Enrollment ID: O20040507000847
Entity NameClifton Springs Sanitarium Co
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366505463
PECOS PAC ID: 5092704809
Enrollment ID: O20040525000569

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Benjamin Ernst Onderdonk is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Benjamin Ernst Onderdonk, MD
100 Kings Hwy S,
Rochester, NY 14617-5504

Ph: (585) 922-4031		Dr Benjamin Ernst Onderdonk, MD
1425 Portland Ave,
Rochester, NY 14621-3011

Ph: (585) 922-4031

Reviews and Comments


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Phone: 585-275-1839    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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