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Neurologist (brain, nervous system)
18 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Denis Ostrovskiy is Average. Dr. Ostrovskiy has been reviewed by 20 patients who have provided 7 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.8
Courteous Staff 2.9
Accurate Diagnosis 2.6
Bedside Manner 2.3
Spends Time with Me 2.5
Follows Up After Visit 2.9

Specialties & Research

Dr. Denis Ostrovskiy, MD is board certified in Clinical Neurophysiology and Neurology.

  • He has special expertise in 5 areas:
  • Alzheimer's Disease
  • Electrodiagnostics
  • Epilepsy
  • Migraine Disorders
  • Multiple Sclerosis (MS)

Education & Awards

Dr. Ostrovskiy graduated from Leningradskij Sanitarno Gigienceskij Medical Institute.


Dr. Ostrovskiy has 8 hospital affiliations:

  • North Shore University Hospital 
  • North Shore/Long Island Jewish Hospital System - Franklin Hospital Med Ctr 


  • Hebrew
  • Russian
  • Korean
  • Spanish
  • Italian
  • Tagalog
  • English

> > > > Dr. Denis Ostrovskiy, MD

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Additional Information
Dr. Denis A Ostrovskiy MD is a male Neurologist, has 18 years of experience and practices in Neurology and Clinical Neurophysiology.
Where does Dr. Denis A. Ostrovskiy practice?
Dr. Denis Ostrovskiy has 2 office locations.
Dr. Denis Ostrovskiy practices Neurology and Clinical Neurophysiology near New Hyde Park, NY.
Additional practice locations include: Great Neck, NY.
See New Hyde Park Neurologists.