Doctor profile · Federal record

Dr. Kevin Duignan, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Waterbury, CT

  • NPI 1053940684
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
56 Franklin St
Waterbury, CT 067061253
(203) 709-6000
Additional location
263 Farmington Ave
Farmington, CT 060300001
(860) 679-4988
fax (860) 679-3489
Mailing address
263 Farmington Ave
Farmington, CT 060300001

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
February 1, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Connecticut #73243

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053940684. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
158
Distinct HCPCS
4
Medicare allowed
$22,237
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 67 63 $125
99283 Emergency department visit with low level of medical decision making 34 34 $74
99285 Emergency department visit with high level of medical decision making 31 31 $181
99291 Critical care, first 30-74 minutes 26 24 $221

In context: peer comparison

Among 14 peers in this city , average services per provider: 83. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
25
Total drug cost
$447
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 13 12 $332
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $116

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Duignan's medical specialty?
Dr. Kevin Duignan practices Emergency Medicine Physician in Waterbury, CT.
Where does Dr. Kevin Duignan practice?
Dr. Kevin Duignan practices at 56 Franklin St, Waterbury, CT 067061253. Office phone: 2037096000.
What is Dr. Kevin Duignan's NPI?
Dr. Kevin Duignan's National Provider Identifier (NPI) is 1053940684, issued by NPPES.
Does Dr. Kevin Duignan accept Medicare assignment?
Yes. Dr. Kevin Duignan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kevin Duignan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.