Doctor profile · Federal record

Dr. William Duggan, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · East Hartford, CT

  • NPI 1255310488
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Founders Plz, #300 C/O Ipms
East Hartford, CT 061083212
(860) 282-4137
fax (860) 282-0170

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
March 5, 2014
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Connecticut #031333
Medicaid
CT #001313337

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255310488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
90
Distinct HCPCS
2
Medicare allowed
$17,521
HCPCS Description Services Patients Avg allowed
00790 Anesthesia for other procedure on upper abdomen 51 50 $192
00840 Anesthesia for other procedure on lower abdomen 39 39 $198

In context: peer comparison

Among 8 peers in this city , average services per provider: 51. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$29
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $28.64

By nature of payment

Food and Beverage
$29

Frequently asked questions

Auto-generated from federal data
What is Dr. William Duggan's medical specialty?
Dr. William Duggan practices Anesthesiology Physician in East Hartford, CT.
Where does Dr. William Duggan practice?
Dr. William Duggan practices at 111 Founders Plz, East Hartford, CT 061083212. Office phone: 8602824137.
What is Dr. William Duggan's NPI?
Dr. William Duggan's National Provider Identifier (NPI) is 1255310488, issued by NPPES.
Does Dr. William Duggan accept Medicare assignment?
Yes. Dr. William Duggan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Duggan commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790); Anesthesia for other procedure on lower abdomen (HCPCS 00840). Source: CMS Medicare Physician & Other Practitioners file.