Doctor profile · Federal record

Dr. Denis Ostrovskiy, M.D.

Neurology Physician (CMS: Neurology) · Specialist · Lake Success, NY

  • NPI 1437199668
  • Accepts Medicare
  • MIPS 95.0 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1991 Marcus Avenue, Suite 110
Lake Success, NY 110422057
(516) 466-4700
fax (516) 466-4810

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 9, 2011
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
New York #231798-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437199668. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,568
Distinct HCPCS
10
Medicare allowed
$475,841
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 732 468 $146
99497 Advance care planning, first 30 minutes 695 695 $94
95816 Measurement of brain wave activity (eeg), awake and drowsy 406 396 $454
99204 New patient office or other outpatient visit, 45-59 minutes 282 282 $192
99215 Established patient office or other outpatient visit, 40-54 minutes 216 206 $206
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 48 11 $1
96138 Administration of psychological or neuropsychological test by technician, first 30 minutes 40 39 $41
96132 Evaluation of neuropsychological test, first hour 39 38 $145
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 36 21 $114
96139 Administration of psychological or neuropsychological test by technician, each additional 30 minutes 32 31 $42

In context: peer comparison

Among 7 peers in this city , average services per provider: 453. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42,281
Transactions
261
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, Inc. 26 $13,578.56
ARGENX US, INC. 22 $13,302.26
UCB, Inc. 14 $6,099.72
Amgen Inc. 16 $5,496.63
ABBVIE INC. 33 $797.80
PFIZER INC. 40 $651.32
Novartis Pharmaceuticals Corporation 44 $441.57
SK Life Science, Inc. 21 $239.48
ACADIA Pharmaceuticals Inc 10 $238.16
SCILEX PHARMACEUTICALS INC. 16 $184.07
Amylyx Pharmaceuticals, Inc. 5 $178.54
Takeda Pharmaceuticals U.S.A., Inc. 6 $166.70
CSL Behring 2 $145.37
Kyowa Kirin, Inc. 5 $130.99
E.R. Squibb & Sons, L.L.C. 1 $120.69

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$27,320
Food and Beverage
$6,251
Consulting Fee
$5,265
Travel and Lodging
$3,445

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,317
Patients
349
Total drug cost
$57,729
Drug Type Claims Patients Total cost
Prednisone Generic 271 43 $2,396
Gabapentin Generic 229 85 $6,328
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 152 54 $6,308
Donepezil Hcl Generic 86 23 $1,209
Meloxicam Generic 85 41 $465
Primidone Generic 81 23 $2,622
Cyclobenzaprine Hcl Generic 67 31 $686
Mycophenolate Mofetil Generic 62 14 $10,133
Tramadol Hcl Generic 56 0 $913
Levetiracetam Generic 42 0 $1,379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Denis Ostrovskiy's medical specialty?
Dr. Denis Ostrovskiy practices Neurology Physician in Lake Success, NY.
Where does Dr. Denis Ostrovskiy practice?
Dr. Denis Ostrovskiy practices at 1991 Marcus Avenue, Lake Success, NY 110422057. Office phone: 5164664700.
What is Dr. Denis Ostrovskiy's NPI?
Dr. Denis Ostrovskiy's National Provider Identifier (NPI) is 1437199668, issued by NPPES.
Does Dr. Denis Ostrovskiy accept Medicare assignment?
Yes. Dr. Denis Ostrovskiy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denis Ostrovskiy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Advance care planning (HCPCS 99497); Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816). Source: CMS Medicare Physician & Other Practitioners file.