Stacey M. Donegan, M.D.
Emergency Medicine Physician · Greenwich, CT
Stacey M. Donegan, M.D. is an emergency medicine physician with a practice address in Greenwich, Connecticut, and NPI 1174546709, issued on Jul 25, 2006. Check the license (Connecticut 044077, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Stacey M. Donegan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 044077 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-3637
- Enumerated
- Jul 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 863-3821
- Medicare enrollment
- Enrolled (PECOS I20250331001121); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1994
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 846 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hanief Abrahams, M.D.Anesthesiology Physician1497798235
- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Stacey M. Donegan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 044077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average emergency medicine physician in 2024
57 Medicare Part D claims for 47 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 70.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Baptist Health Medical Group IncLouisville, KY
- Greenwich HospitalGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacey M. Donegan among 846 emergency medicine physician records in Connecticut
Stacey M. Donegan, M.D. is one of 846 emergency medicine physician records with a practice address in Connecticut. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 65% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1994 · median 2011 among the 574 with a school on file
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Connecticut
There are 846 emergency medicine physician records in Connecticut.
All 846 in Connecticut → Every provider in Greenwich → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Maria Brea, M.D.Greenwich, CT 068301508809161
- J. Allen Britvan, M.DGreenwich, CT 068301376566042
- Michael Canter, M.D.Greenwich, CT 068301558381483
- Ryan Casarella, M.D.Greenwich, CT 068301740643998
- Robert Chang, MDGreenwich, CT 068301760581672
- Christopher Davison, M.D.Greenwich, CT 068301225051857
- Servando De Los Angeles, M.D.Greenwich, CT 068301831119619
- Shideh Imanian-Parsa, M.D.Greenwich, CT 068301124049945
Common questions
What is Stacey M. Donegan, M.D.'s NPI number?
Stacey M. Donegan, M.D.'s National Provider Identifier (NPI) is 1174546709, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stacey M. Donegan, M.D. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-3637. Providers update this record themselves, so call before visiting.
How can I verify Stacey M. Donegan, M.D.'s license?
NPPES lists Connecticut license number 044077, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stacey M. Donegan, M.D. prescribe under Medicare Part D?
In 2024, Stacey M. Donegan, M.D. had 57 Medicare Part D claims for 47 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stacey M. Donegan, M.D.'s MIPS final score?
The 2023 MIPS final score is 70.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.