Kamil Stefanowski, M.D.
NPI 1033505102 · Vascular Neurology Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kamil Stefanowski, M.D. is a Vascular Neurology Physician provider in Stony Brook, NY (NPI 1033505102).
Provider details
- NPI number
- 1033505102
- Entity type
- Individual
- Primary specialty
- Vascular Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 298413 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
556 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 222 | $199 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 156 | $136 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 57 | $91 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 32 | $96 |
| Telehealth Consultation, Critical Care, Initial , Physicians Typically Spend 60 Minutes Communicating With the Patient and Providers Via TelehealthG0508 | 31 | $238 |
| Hospital Discharge Day Management, 30 Minutes Or Less |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-15
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is Kamil Stefanowski's NPI number?
- Kamil Stefanowski's National Provider Identifier (NPI) is 1033505102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kamil Stefanowski's specialty?
- Kamil Stefanowski is listed in the NPPES registry with a primary specialty of Vascular Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Kamil Stefanowski located?
- Kamil Stefanowski's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Kamil Stefanowski's phone number?
- The practice phone number listed in the NPPES registry for Kamil Stefanowski is (631) 444-2599.
- Does Kamil Stefanowski accept Medicare?
- Kamil Stefanowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kamil Stefanowski's NPI active?
- Yes — Kamil Stefanowski's NPI (1033505102) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.