Doctor profile · Federal record

Dr. Dawn-Marie O'Reilly, PA

Medical Physician Assistant (CMS: Physician Assistant) · Middletown, CT

  • NPI 1134195845
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 35 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
28 Crescent St
Middletown, CT 064573654
(860) 344-6394
fax (860) 344-6748

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Connecticut #000217

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134195845. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
55
Distinct HCPCS
2
Medicare allowed
$5,107
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 36 36 $108
99283 Emergency department visit with low level of medical decision making 19 19 $64

In context: peer comparison

Among 10 peers in Middletown Medical Physician Assistant, average services per provider: 72. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
76
Total drug cost
$619
Drug Type Claims Patients Total cost
Cephalexin Generic 27 27 $236
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 13 12 $259
Oxycodone Hcl Generic 13 13 $26
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $67
Prednisone Generic 11 11 $32

Frequently asked questions

Auto-generated from federal data
What is Dr. Dawn-Marie O'Reilly's medical specialty?
Dr. Dawn-Marie O'Reilly practices Medical Physician Assistant in Middletown, CT.
Where does Dr. Dawn-Marie O'Reilly practice?
Dr. Dawn-Marie O'Reilly practices at 28 Crescent St, Middletown, CT 064573654. Office phone: 8603446394.
What is Dr. Dawn-Marie O'Reilly's NPI?
Dr. Dawn-Marie O'Reilly's National Provider Identifier (NPI) is 1134195845, issued by NPPES.
Does Dr. Dawn-Marie O'Reilly accept Medicare assignment?
Yes. Dr. Dawn-Marie O'Reilly accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dawn-Marie O'Reilly 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). Source: CMS Medicare Physician & Other Practitioners file.