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

Osborne D Williams, MD

Individual provider Anesthesiology Physician · NPI 1275599961

Osborne D Williams, MD is an Anesthesiology in West Islip, New York. Graduated from Hahneman Medical College of the Pacific in 1990, 36 years ago. Practices with Long Island Anesthesiologists, PLLC, a 45-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
36
Trained at
Hahneman Medical College of the Pacific
Licensed in
NY
In the registry since
2006
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 Highway Good Smaritan Hospital Medical Ctr
West Islip, NY 11795
Phone: (631) 376-4088
Fax: (631) 376-4539
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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 194538 (NY)

Record details

NPI number1275599961
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 22, 2006
Last updated in NPPESOctober 12, 2015

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolHAHNEMAN MEDICAL COLLEGE OF THE PACIFIC
Graduated 1990 (36 years in practice)
Group practice Long Island Anesthesiologists, Pllc — 45 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in West Islip