Doctor profile · Federal record

Dr. Brennan Cassidy, DDS

General Practice Dentistry · Chicopee, MA

  • NPI 1467018077
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
377 Montgomery St
Chicopee, MA 010201929
(413) 592-2500
Additional location
1000 Asylum Ave Ste 3200
Hartford, CT 061051702
(860) 714-4995
Mailing address
306 Ellington RD
Longmeadow, MA 011061559

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
April 3, 2023
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Connecticut #12801

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467018077. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 1 $19.22
Solventum Corporation 1 $16.07

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
26
Total drug cost
$93
Drug Type Claims Patients Total cost
Amoxicillin Generic 32 26 $93

Frequently asked questions

Auto-generated from federal data
What is Dr. Brennan Cassidy's medical specialty?
Dr. Brennan Cassidy practices General Practice Dentistry in Chicopee, MA.
Where does Dr. Brennan Cassidy practice?
Dr. Brennan Cassidy practices at 377 Montgomery St, Chicopee, MA 010201929. Office phone: 4135922500.
What is Dr. Brennan Cassidy's NPI?
Dr. Brennan Cassidy's National Provider Identifier (NPI) is 1467018077, issued by NPPES.