Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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William Albert Maiorino Jr., MD

Individual provider Anesthesiology Physician · NPI 1508840174

William Albert Maiorino Jr., MD is an Anesthesiology in West Islip, New York. Graduated from New York Medical College in 1989, 37 years ago. Practices with Long Island Anesthesiologists, PLLC, a 45-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Trained at
New York Medical College
Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1000 Montauk Hwy Good Samaritan Hospital
West Islip, NY 11795-4927
Phone: (631) 376-4088
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 186588 (NY)

Record details

NPI number1508840174
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1989 (37 years in practice)
Group practice Long Island Anesthesiologists, Pllc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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