Eileen O'Brien Jennings, M.D.
Child & Adolescent Psychiatry Physician · Norwalk, CT
Eileen O'Brien Jennings, M.D. is a child & adolescent psychiatry physician with a practice address in Norwalk, Connecticut, and NPI 1083881213, issued on May 16, 2008. Check the license (Connecticut 16866, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Eileen O'Brien Jennings
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- 16866 CT
Self-reported in NPPES; status is on the state search - Practice location
- 91 East Ave, Norwalk, CT 06851
- Phone
- (203) 393-1766
- Enumerated
- May 16, 2008
- Record last updated
- May 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 393-1705
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 225 in Connecticut → Look up another NPI →
Also registered at 91 East Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Ahn, N.D.Naturopath1285008177
- Harith Ali, DMDDentist1548837024
- Frances Becker, LCSWClinical Social Worker1609872225
- Stephanie Carrow, L.C.S.W.Clinical Social Worker1245287630
- Arden Church, LCSWClinical Social Worker1245716109
- Jill Delaney, LCSWClinical Social Worker1013077387
Verify Eileen O'Brien Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 16866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
27 Medicare Part D claims, against an average of 504 among the 3,545 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.
Eileen O'Brien Jennings among 225 child & adolescent psychiatry physician records in Connecticut
Eileen O'Brien Jennings, M.D. is one of 225 child & adolescent psychiatry physician records with a practice address in Connecticut. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 36% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Connecticut
There are 225 child & adolescent psychiatry physician records in Connecticut.
All 225 in Connecticut → Every provider in Norwalk → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Jessica Hebrank, M.D.Norwalk, CT 068511881813319
- Andrew Lustbader, MDNorwalk, CT 068511033326111
- Barbara Rickler, MDNorwalk, CT 068511710194899
- Ava Albrecht, M.D.New Canaan, CT 068401982766317
- Daniel Mason, MDNew Canaan, CT 068401760584429
- Leonard Leven, M.D.Old Greenwich, CT 068701821098245
- M Bridget Downes, M.D.Greenwich, CT 068301326197286
- William Koch, MDGreenwich, CT 068301083884753
Common questions
What is Eileen O'Brien Jennings, M.D.'s NPI number?
Eileen O'Brien Jennings, M.D.'s National Provider Identifier (NPI) is 1083881213, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Eileen O'Brien Jennings, M.D. located?
The NPPES record lists a practice address at 91 East Ave, Norwalk, CT, 06851. Phone: (203) 393-1766. Providers update this record themselves, so call before visiting.
How can I verify Eileen O'Brien Jennings, M.D.'s license?
NPPES lists Connecticut license number 16866, 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 Eileen O'Brien Jennings, M.D. prescribe under Medicare Part D?
In 2024, Eileen O'Brien Jennings, M.D. had 27 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.