Doctor profile · Federal record

Dr. Irene Chliwner, MD

Internal Medicine Physician · Warwick, RI

  • NPI 1588745491
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 Bald Hill RD, Suite 520
Warwick, RI 028861617
(401) 793-8520
fax (401) 793-8527

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 19, 2020
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Rhode Island #MD06838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588745491. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
321
Distinct HCPCS
9
Medicare allowed
$16,807
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 71 58 $101
99214 Established patient office or other outpatient visit, 30-39 minutes 66 45 $72
G0442 Annual alcohol misuse screening, 5 to 15 minutes 44 44 $18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 42 42 $43
G0444 Annual depression screening, 5 to 15 minutes 30 30 $19
G0008 Administration of influenza virus vaccine 21 20 $31
96127 Assessment of emotional or behavioral problems 18 16 $5
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $59
96160 Administration and interpretation of patient-focused health risk assessment 13 13 $3

In context: peer comparison

Among 21 peers in Warwick Internal Medicine Physician, average services per provider: 82. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,228
Patients
303
Total drug cost
$18,576
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 199 46 $2,855
Levothyroxine Sodium Generic 157 40 $3,590
Amlodipine Besylate Generic 110 28 $1,267
Lisinopril Generic 104 25 $1,018
Famotidine Generic 96 23 $1,741
Losartan Potassium Generic 90 25 $1,245
Metoprolol Succinate Generic 66 16 $1,209
Omeprazole Generic 61 19 $1,392
Metoprolol Tartrate Generic 56 0 $482
Hydrochlorothiazide Generic 53 13 $260

Frequently asked questions

Auto-generated from federal data
What is Dr. Irene Chliwner's medical specialty?
Dr. Irene Chliwner practices Internal Medicine Physician in Warwick, RI.
Where does Dr. Irene Chliwner practice?
Dr. Irene Chliwner practices at 400 Bald Hill RD, Warwick, RI 028861617. Office phone: 4017938520.
What is Dr. Irene Chliwner's NPI?
Dr. Irene Chliwner's National Provider Identifier (NPI) is 1588745491, issued by NPPES.
What procedures does Dr. Irene Chliwner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Annual alcohol misuse screening, 5 to 15 minutes (HCPCS G0442). Source: CMS Medicare Physician & Other Practitioners file.