Gregory Nevsky, M.D.
NPI 1891993325 · Diagnostic Radiology Physician · Brewster, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Nevsky, M.D. is a Diagnostic Radiology Physician provider in Brewster, NY (NPI 1891993325).
Provider details
- NPI number
- 1891993325
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 52115 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,394 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 601 | $55 |
| Screening Mammography77067 | 601 | $137 |
| Complete Ultrasound Scan of 1 Breast76641 | 144 | $155 |
| Mri Scan of Leg Joint Without Contrast73721 | 143 | $193 |
| Mri Scan of Arm Joint Without Contrast73221 | 96 | $195 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 90 | $190 |
Practice location
Mailing address
Additional practice locations (1)
- 114 Woodland StHartford, CT 06105-1208Phone: (203) 426-3002
Registry dates
- Enumerated
- 2007-07-05
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Gregory Nevsky's NPI number?
- Gregory Nevsky's National Provider Identifier (NPI) is 1891993325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Nevsky's specialty?
- Gregory Nevsky is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Nevsky located?
- Gregory Nevsky's practice location on file with NPPES is 3839 Danbury Rd, Brewster, NY 10509-5412.
- What is Gregory Nevsky's phone number?
- The practice phone number listed in the NPPES registry for Gregory Nevsky is (845) 278-6200.
- Does Gregory Nevsky accept Medicare?
- Gregory Nevsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Nevsky's NPI active?
- Yes — Gregory Nevsky's NPI (1891993325) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.