Doctor profile · Federal record

Dr. Dariusz Kostrzewa, MD

Family Medicine Physician (CMS: Family Practice) · Narragansett, RI

  • NPI 1154317600
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
360 Kingstown RD, Suite 200
Narragansett, RI 028823239
(401) 783-6940
fax (401) 792-3676
Mailing address
10 Davol Sq, Suite 400
Providence, RI 029034754

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
April 4, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Rhode Island #MD11435
Medicaid
RI #9003474

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154317600. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,190
Distinct HCPCS
10
Medicare allowed
$74,600
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 505 266 $75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 197 197 $50
99213 Established patient office or other outpatient visit, 20-29 minutes 107 81 $74
99443 Telephone medical discussion with physician, 21-30 minutes 61 50 $129
83036 Hemoglobin a1c level 54 42 $10
99442 Telephone medical discussion with physician, 11-20 minutes 42 32 $92
G0008 Administration of influenza virus vaccine 33 33 $31
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 29 25 $53
G0009 Administration of pneumococcal vaccine 28 28 $30
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 27 27 $0

In context: peer comparison

Among 2 peers in this city , average services per provider: 64. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,976
Patients
899
Total drug cost
$50,352
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 522 144 $8,008
Levothyroxine Sodium Generic 341 85 $7,179
Omeprazole Generic 245 76 $3,736
Lisinopril Generic 201 64 $2,210
Amlodipine Besylate Generic 188 53 $1,699
Losartan Potassium Generic 176 56 $2,366
Metoprolol Succinate Generic 163 47 $4,049
Famotidine Generic 162 61 $2,655
Pantoprazole Sodium Generic 154 37 $2,492
Rosuvastatin Calcium Generic 146 52 $3,001

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dariusz Kostrzewa's medical specialty?
Dr. Dariusz Kostrzewa practices Family Medicine Physician in Narragansett, RI.
Where does Dr. Dariusz Kostrzewa practice?
Dr. Dariusz Kostrzewa practices at 360 Kingstown RD, Narragansett, RI 028823239. Office phone: 4017836940.
What is Dr. Dariusz Kostrzewa's NPI?
Dr. Dariusz Kostrzewa's National Provider Identifier (NPI) is 1154317600, issued by NPPES.
Does Dr. Dariusz Kostrzewa accept Medicare assignment?
Yes. Dr. Dariusz Kostrzewa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dariusz Kostrzewa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.