Melissa J O'sullivan, N P - Medicare Nurse Practitioner in Rochester, NY

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Melissa J O'sullivan, N P is a medicare enrolled "Nurse Practitioner - Adult Health" in Rochester, New York. She graduated from nursing school in 1991 and has 33 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Rochester General Hospital and her current practice location is 1870 Winton Rd S, Bldg 4 Suite 1, Rochester, New York. You can reach out to her office (for appointments etc.) via phone at (585) 473-0495.

Melissa J O'sullivan is licensed to practice in New York (license number F300749) 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 1083752034.

Contact Information

Melissa J O'sullivan, N P
1870 Winton Rd S, Bldg 4 Suite 1,
Rochester, NY 14618-3916
(585) 473-0495
(585) 442-0750

Map and Direction




Provider's Profile

Full NameMelissa J O'sullivan
GenderFemale
SpecialityNurse Practitioner
Experience33 Years
Location1870 Winton Rd S, 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:
  • Melissa J O'sullivan graduated from nursing school in 1991
  NPI Data:
  • NPI Number: 1083752034
  • Provider Enumeration Date: 02/02/2007
  • Last Update Date: 10/27/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1456656669
  • Enrollment ID: I20201119000139

Medical Identifiers

Medical identifiers for Melissa J O'sullivan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083752034NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2200XNurse Practitioner - Adult Health F300749 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rochester General HospitalRochester, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rochester General Hospital0244149474892

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. Melissa J O'sullivan allows following entities to bill medicare on her behalf.
Entity NameRochester General Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356412712
PECOS PAC ID: 0244149474
Enrollment ID: O20031121000644
Entity NameClifton Springs Sanitarium Co
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366505463
PECOS PAC ID: 5092704809
Enrollment ID: O20040525000569
Entity NameWestern New York Medical Practice Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063790608
PECOS PAC ID: 3870767791
Enrollment ID: O20111110000598

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. Melissa J O'sullivan 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
Melissa J O'sullivan, N P
1870 Winton Rd S, Bldg 4 Suite 1,
Rochester, NY 14618-3916

Ph: (585) 473-0495		Melissa J O'sullivan, N P
1870 Winton Rd S, Bldg 4 Suite 1,
Rochester, NY 14618-3916

Ph: (585) 473-0495

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.