Dr John Ross Mcgrath, MD - Medicare Diagnostic Radiology in Williamsville, NY

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Dr John Ross Mcgrath, MD is a medicare enrolled "Radiology - Vascular & Interventional Radiology" physician in Williamsville, New York. He went to State University Of New York At Buffalo School Of Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Great Lakes Medical Imaging Llc, Kaleida Health, Olean Radiology Pc, Western New York Radiology Associates Llc, Bradford Radiology Pc, Regional Radiology Associates, Pc and his current practice location is 111 N Maplemere Rd Ste 120, Williamsville, New York. You can reach out to his office (for appointments etc.) via phone at (716) 836-4646.

Dr John Ross Mcgrath is licensed to practice in New York (license number 279891) 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 1134357429.

Contact Information

Dr John Ross Mcgrath, MD
111 N Maplemere Rd Ste 120,
Williamsville, NY 14221-3178
(716) 836-4646
(716) 836-4696

Map and Direction




Physician's Profile

Full NameDr John Ross Mcgrath
GenderMale
SpecialityDiagnostic Radiology
Experience19 Years
Location111 N Maplemere Rd Ste 120, Williamsville, 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 John Ross Mcgrath attended and graduated from State University Of New York At Buffalo School Of Medicine in 2005
  NPI Data:
  • NPI Number: 1134357429
  • Provider Enumeration Date: 06/25/2009
  • Last Update Date: 08/21/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0941513709
  • Enrollment ID: I20150722005337

Medical Identifiers

Medical identifiers for Dr John Ross Mcgrath such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1134357429NPI-NPPES
04144161MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0202XRadiology - Diagnostic Radiology 279891 (New York)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology 279891 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaleida HealthBuffalo, NYHospital
Olean General HospitalOlean, NYHospital
Erie County Medical CenterBuffalo, NYHospital
Brooks-tlc Hospital System, IncDunkirk, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Great Lakes Medical Imaging Llc216368185938
Kaleida Health7810805280173
Olean Radiology Pc913311886236
Western New York Radiology Associates Llc307240229625
Bradford Radiology Pc589019884014
Regional Radiology Associates, Pc812306386423

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 John Ross Mcgrath allows following entities to bill medicare on his behalf.
Entity NameKaleida Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366473183
PECOS PAC ID: 7810805280
Enrollment ID: O20031105000212
Entity NameWestern New York Radiology Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285682500
PECOS PAC ID: 3072402296
Enrollment ID: O20040315000217
Entity NameOlean Radiology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700829850
PECOS PAC ID: 9133118862
Enrollment ID: O20040508000177
Entity NameGreat Lakes Medical Imaging Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861763005
PECOS PAC ID: 2163681859
Enrollment ID: O20120316000017

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 John Ross Mcgrath 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 John Ross Mcgrath, MD
111 N Maplemere Rd Ste 120,
Williamsville, NY 14221-3178

Ph: (716) 836-4646		Dr John Ross Mcgrath, MD
111 N Maplemere Rd Ste 120,
Williamsville, NY 14221-3178

Ph: (716) 836-4646

Reviews and Comments


Radiology Doctors in Williamsville, NY

Dr. David Hayes, MD
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Phone: 716-631-2500    Fax: 716-631-1249
Dr. Stuart Rubin, MD
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Phillip Adam Baum, MD
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Dr. Anna Chen, DO
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Dr. James J Rinaldi, MD
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Practice Location: 111 N Maplemere Rd Ste 120, Williamsville, NY 14221
Phone: 716-836-4646    Fax: 716-836-4696
Maria Komissarova,
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Practice Location: 55 Spindrift Dr, Williamsville, NY 14221
Phone: 716-631-2500    
Dr. Thomas Summers, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 55 Spindrift Dr, Windsong Radiology Group, P.c., Williamsville, NY 14221
Phone: 716-631-2500    Fax: 716-631-1249

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.