Margaret O'Donoghue, MD
Neurology Physician · Middletown, CT
Margaret O'Donoghue, MD is a neurology physician with a practice address in Middletown, Connecticut, and NPI 1871608158, issued on Aug 20, 2006. Check the license (Connecticut 039549, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret O'Donoghue
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 039549 CT
Self-reported in NPPES; status is on the state search - Practice location
- 21 Crescent St, Middletown, CT 06457
- Phone
- (860) 344-6394
- Enumerated
- Aug 20, 2006
- Record last updated
- Nov 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 344-6748
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 345 in Connecticut → Look up another NPI →
Verify Margaret O'Donoghue in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average neurology physician in 2024
14 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Margaret O'Donoghue among 345 neurology physician records in Connecticut
Margaret O'Donoghue, MD is one of 345 neurology physician records with a practice address in Connecticut. 83% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 63% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Connecticut
There are 345 neurology physician records in Connecticut.
All 345 in Connecticut → Every provider in Middletown → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Ian Limuel Dimaandal, MDMiddletown, CT 064571295222743
- Marina Fuchs, MDMiddletown, CT 064571790742799
- Steven Gersten, MDMiddletown, CT 064571528091311
- Philippe Rosenberg, M.D.Middletown, CT 064571366838674
- Zakir Shaikh, MDMiddletown, CT 064571639735566
- Ye Su, DOMiddletown, CT 064571003376237
- Howard Feldman, MDMilford, CT 064601306147244
- Eliza Grigoriciuc, MDMeriden, CT 064511447711239
Common questions
What is Margaret O'Donoghue, MD's NPI number?
Margaret O'Donoghue, MD's National Provider Identifier (NPI) is 1871608158, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret O'Donoghue, MD located?
The NPPES record lists a practice address at 21 Crescent St, Middletown, CT, 06457. Phone: (860) 344-6394. Providers update this record themselves, so call before visiting.
How can I verify Margaret O'Donoghue, MD's license?
NPPES lists Connecticut license number 039549, 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 Margaret O'Donoghue, MD prescribe under Medicare Part D?
In 2024, Margaret O'Donoghue, MD had 14 Medicare Part D claims; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.