Denis Ostrovskiy, M.D.
NPI 1437199668 · Neurology Physician · Lake Success, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denis Ostrovskiy, M.D. is a Neurology Physician provider in Lake Success, NY (NPI 1437199668).
Provider details
- NPI number
- 1437199668
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 231798-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,907 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 856 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 715 | $149 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 417 | $472 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 316 | $195 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 236 | $209 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 230 | 46 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 219 | 59 |
| Gabapentin | 177 | 72 |
| Donepezil Hcl | 134 | 44 |
| Cyclobenzaprine Hcl | 125 | 55 |
| Meloxicam | 83 | 41 |
| Rasagiline Mesylate | 72 | 21 |
| Primidone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42,281 across 284 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2011-05-09
Frequently asked questions
- What is Denis Ostrovskiy's NPI number?
- Denis Ostrovskiy's National Provider Identifier (NPI) is 1437199668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denis Ostrovskiy's specialty?
- Denis Ostrovskiy is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Denis Ostrovskiy located?
- Denis Ostrovskiy's practice location on file with NPPES is 1991 Marcus Avenue, Lake Success, NY 11042-2057.
- What is Denis Ostrovskiy's phone number?
- The practice phone number listed in the NPPES registry for Denis Ostrovskiy is (516) 466-4700.
- Does Denis Ostrovskiy accept Medicare?
- Denis Ostrovskiy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denis Ostrovskiy's NPI active?
- Yes — Denis Ostrovskiy's NPI (1437199668) is active in the NPPES registry as of the last update on 2011-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.