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

Dr. Denis A Ostrovskiy, MD

Individual provider Neurology Physician · NPI 1437199668

Dr. Denis A Ostrovskiy, MD is a Neurology in Lake Success, New York. Qualified in 1993, 33 years ago. Practices with Neurological Associates of Long Island, PC, a 14-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
33
Licensed in
NY
In the registry since
2006
Specialties on file
2
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

1991 Marcus Ave Ste 110
Lake Success, NY 11042-2057
Phone: (516) 466-4700
Fax: (516) 466-4810
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 231798-1 (NY)
Specialist Taxonomy 174400000X · Licence 231798-1 (NY)

Record details

NPI number1437199668
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESMay 9, 2011

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Neurological Associates Of Long Island, Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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