William E Mccormick, MD - Medicare Neurosurgery in West Islip, NY

William E Mccormick, MD is a medicare enrolled "Neurological Surgery" physician in West Islip, New York. He went to University Of Rochester School Of Medicine And Dentistry and graduated in 1997 and has 27 years of diverse experience with area of expertise as Neurosurgery. His current practice location is 380 Montauk Hwy, West Islip, New York. You can reach out to his office (for appointments etc.) via phone at (631) 422-5371.

William E Mccormick is licensed to practice in New York (license number 2279121) 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 1043290687.

Contact Information

William E Mccormick, MD
380 Montauk Hwy,
West Islip, NY 11795-4403
(631) 422-5371
(631) 893-8012

Map and Direction




Physician's Profile

Full NameWilliam E Mccormick
GenderMale
SpecialityNeurosurgery
Experience27 Years
Location380 Montauk Hwy, West Islip, 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:
  • William E Mccormick attended and graduated from University Of Rochester School Of Medicine And Dentistry in 1997
  NPI Data:
  • NPI Number: 1043290687
  • Provider Enumeration Date: 01/19/2006
  • Last Update Date: 01/20/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2466425137
  • Enrollment ID: I20040819000836

Medical Identifiers

Medical identifiers for William E Mccormick such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043290687NPI-NPPES
P00198803OtherNYMEDICARE RR
02478417MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 2279121 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Good Samaritan Hospital Medical CenterWest islip, NYHospital

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. William E Mccormick allows following entities to bill medicare on his behalf.
Entity NameWilliam E Mccormick, Md, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053468405
PECOS PAC ID: 4981672136
Enrollment ID: O20040924000288

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. William E Mccormick 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
William E Mccormick, MD
380 Montauk Hwy,
West Islip, NY 11795-4403

Ph: (631) 422-5371
William E Mccormick, MD
380 Montauk Hwy,
West Islip, NY 11795-4403

Ph: (631) 422-5371

Reviews and Comments


Neurological Surgery Doctors in West Islip, NY

Dr. Nitin Rajkumar Mariwalla, MD, MPH, MS
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1175 Montauk Hwy, Ste 3, West Islip, NY 11795
Phone: 631-500-9400    Fax: 631-500-9444
Dr. Symeon Missios, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1175 Montauk Hwy Ste 6, West Islip, NY 11795
Phone: 631-422-5371    Fax: 330-665-6748
Salvatore Zavarella, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 1175 Montauk Hwy Ste 6, West Islip, NY 11795
Phone: 631-666-6066    Fax: 631-337-7698
Ahmad Latefi, DO
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1175 Montauk Highway, Suite 6, West Islip, NY 11795
Phone: 833-666-6066    Fax: 631-337-7698
Dr. Raj K Narayan, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1175 Montauk Highway, Suite 6, West Islip, NY 11795
Phone: 833-666-6066    Fax: 631-337-7698
Dr. George Kakoulides, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 380 Montauk Hwy, West Islip, NY 11795
Phone: 631-422-5371    Fax: 631-422-5371

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.