Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

William E McCormick, MD

Individual provider Neurological Surgery Physician · NPI 1043290687

William E McCormick, MD is a Neurosurgery in West Islip, New York. Graduated from University of Rochester School of Medicine and Dentistry in 1997, 29 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
29
Trained at
University of Rochester School of Medicine and Dentistry
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

380 Montauk Hwy
West Islip, NY 11795-4403
Phone: (631) 422-5371
Fax: (631) 893-8012
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 2279121 (NY)

Record details

NPI number1043290687
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 19, 2006
Last updated in NPPESJanuary 20, 2022
Certification dateJanuary 20, 2022
Mailing address380 Montauk Hwy, West Islip, NY 11795-4403

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROSURGERY
Medical schoolUNIVERSITY OF ROCHESTER SCHOOL OF MEDICINE AND DENTISTRY
Graduated 1997 (29 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in West Islip