Doctor profile · Federal record

Dr. Stacey Donegan, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Greenwich, CT

  • NPI 1174546709
  • Accepts Medicare
  • MIPS 70.2 / 100 · 2023
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Perryridge RD, Emergency Department
Greenwich, CT 068304608
(203) 863-3637
fax (203) 863-3821

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Connecticut #044077

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174546709. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
260
Distinct HCPCS
4
Medicare allowed
$39,869
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 120 118 $126
99285 Emergency department visit with high level of medical decision making 85 84 $183
99291 Critical care, first 30-74 minutes 34 33 $223
99283 Emergency department visit with low level of medical decision making 21 20 $75

In context: peer comparison

Among 5 peers in Greenwich Emergency Medicine Physician, average services per provider: 64. This provider delivers 4.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stacey Donegan's medical specialty?
Dr. Stacey Donegan practices Emergency Medicine Physician in Greenwich, CT.
Where does Dr. Stacey Donegan practice?
Dr. Stacey Donegan practices at 5 Perryridge RD, Greenwich, CT 068304608. Office phone: 2038633637.
What is Dr. Stacey Donegan's NPI?
Dr. Stacey Donegan's National Provider Identifier (NPI) is 1174546709, issued by NPPES.
Does Dr. Stacey Donegan accept Medicare assignment?
Yes. Dr. Stacey Donegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stacey Donegan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.