Doctor profile · Federal record

Dr. Karen Dufour, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Orange, CT

  • NPI 1609859842
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 42 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 Boston Post RD
Orange, CT 064773504
(203) 795-0568
fax (203) 795-0436

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 10, 2013
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Connecticut #028102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609859842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,015
Distinct HCPCS
10
Medicare allowed
$86,976
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 291 235 $135
81002 Urinalysis, manual test 167 158 $3
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 158 158 $137
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 104 104 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 68 59 $96
G0008 Administration of influenza virus vaccine 55 55 $33
90662 Influenza vaccine split virus, preservative free 52 52 $72
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 21 20 $56
83037 Hemoglobin a1c level, by device for home use 18 13 $10
90480 Admn sarscov2 vacc 1 dose 18 18 $43

In context: peer comparison

Among 1 peers in Orange Gastroenterology Physician, average services per provider: 72. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,237
Patients
1,041
Total drug cost
$41,775
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 581 178 $7,145
Levothyroxine Sodium Generic 394 125 $6,817
Amlodipine Besylate Generic 309 100 $2,712
Pantoprazole Sodium Generic 248 89 $4,199
Lisinopril Generic 237 77 $1,816
Rosuvastatin Calcium Generic 227 72 $3,237
Losartan Potassium Generic 205 66 $2,687
Hydrochlorothiazide Generic 155 52 $676
Metoprolol Succinate Generic 145 53 $2,488
Omeprazole Generic 140 43 $2,138

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Dufour's medical specialty?
Dr. Karen Dufour practices Gastroenterology Physician in Orange, CT.
Where does Dr. Karen Dufour practice?
Dr. Karen Dufour practices at 325 Boston Post RD, Orange, CT 064773504. Office phone: 2037950568.
What is Dr. Karen Dufour's NPI?
Dr. Karen Dufour's National Provider Identifier (NPI) is 1609859842, issued by NPPES.
Does Dr. Karen Dufour accept Medicare assignment?
Yes. Dr. Karen Dufour accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Dufour commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.