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

Dr. David Siskind, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1942290994

Dr. David Siskind, MD is a Family Practice in West Islip, New York. Qualified in 1988, 38 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
38
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

111 Beach Dr
West Islip, NY 11795-4929
Phone: (631) 587-1600
Show map & directions

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

Specialties & licences

Geriatric Medicine (Family Medicine) Physician (primary) Taxonomy 207QG0300X · Licence 187771 (NY)

Record details

NPI number1942290994
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 21, 2005
Last updated in NPPESJuly 8, 2007
Mailing address1 Salem Ct, Syosset, NY 11791-2914

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount