Ruth M O'regan, MD - Medicare Medical Oncology in Rochester, NY

Ruth M O'regan, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Rochester, New York. She graduated from medical school in 1988 and has 36 years of diverse experience with area of expertise as Medical Oncology. She is a member of the group practice University Of Rochester and her current practice location is 601 Elmwood Ave, Rochester, New York. You can reach out to her office (for appointments etc.) via phone at (585) 275-7938.

Ruth M O'regan is licensed to practice in New York (license number 308369) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1215981238.

Contact Information

Ruth M O'regan, MD
601 Elmwood Ave,
Rochester, NY 14642-5209
(585) 275-7938
Not Available

Map and Direction




Physician's Profile

Full NameRuth M O'regan
GenderFemale
SpecialityMedical Oncology
Experience36 Years
Location601 Elmwood Ave, Rochester, New York
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ruth M O'regan graduated from medical school in 1988
  NPI Data:
  • NPI Number: 1215981238
  • Provider Enumeration Date: 05/22/2006
  • Last Update Date: 07/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0648254136
  • Enrollment ID: I20210209000686

Medical Identifiers

Medical identifiers for Ruth M O'regan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215981238NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 308369 (New York)Secondary
207RX0202XInternal Medicine - Medical Oncology 308369 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Strong Memorial HospitalRochester, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Rochester5799699088793

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. Ruth M O'regan allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Rochester
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710226824
PECOS PAC ID: 5799699088
Enrollment ID: O20031201000019
Entity NameHematology Clinical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821049396
PECOS PAC ID: 4486618576
Enrollment ID: O20041118000124

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. Ruth M O'regan 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
Ruth M O'regan, MD
601 Elmwood Ave Box 704,
Rochester, NY 14642-0001

Ph: (585) 275-7938
Ruth M O'regan, MD
601 Elmwood Ave,
Rochester, NY 14642-5209

Ph: (585) 275-7938

Reviews and Comments


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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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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