Dariusz Kostrzewa, MD
NPI 1154317600 · Family Medicine Physician · Narragansett, RI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dariusz Kostrzewa, MD is a Family Medicine Physician provider in Narragansett, RI (NPI 1154317600).
Provider details
- NPI number
- 1154317600
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD11435 (RI)
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
20 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
872 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 348 | $86 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 198 | $28 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 161 | $71 |
| Hemoglobin A1c Level83036 | 45 | $10 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 35 | $91 |
| Administration of Influenza Virus VaccineG0008 | 28 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 130 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 461 | 136 |
| Levothyroxine Sodium | 307 | 80 |
| Omeprazole | 218 | 65 |
| Lisinopril | 205 | 56 |
| Rosuvastatin Calcium | 199 | 63 |
| Famotidine | 188 | 59 |
| Amlodipine Besylate | 182 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-21
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is Dariusz Kostrzewa's NPI number?
- Dariusz Kostrzewa's National Provider Identifier (NPI) is 1154317600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dariusz Kostrzewa's specialty?
- Dariusz Kostrzewa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dariusz Kostrzewa located?
- Dariusz Kostrzewa's practice location on file with NPPES is 360 Kingstown Rd, Narragansett, RI 02882-3239.
- What is Dariusz Kostrzewa's phone number?
- The practice phone number listed in the NPPES registry for Dariusz Kostrzewa is (401) 783-6940.
- Does Dariusz Kostrzewa accept Medicare?
- Dariusz Kostrzewa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dariusz Kostrzewa's NPI active?
- Yes — Dariusz Kostrzewa's NPI (1154317600) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.