Irvin R. Jennings, MD
Psychiatry Physician · Danbury, CT
Irvin R. Jennings, MD is a psychiatry physician with a practice address in Danbury, Connecticut, and NPI 1629141379, issued on Nov 17, 2006. Check the license (Connecticut 0015203, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Irvin R. Jennings
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 0015203 CT
Self-reported in NPPES; status is on the state search - Practice location
- 75 West St, Danbury, CT 06810
- Phone
- (203) 748-5689
- Enumerated
- Nov 17, 2006
- Record last updated
- Sep 11, 2025
- Fax
- (203) 790-8183
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 75 West St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irvin R. Jennings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 0015203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
15 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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.
Irvin R. Jennings among 1,174 psychiatry physician records in Connecticut
Irvin R. Jennings, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 psychiatry physician records list a practice address in Danbury
They are 35 of the 2,412 NPPES records with a practice address in Danbury, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Danbury → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Orestes Arcuni, M.D.Danbury, CT 068101124044763
- Ghazi Asaad, M.D.Danbury, CT 068101194767681
- Denis Drubetskiy, M.D.Danbury, CT 068101205864360
- Anton Fry, MDDanbury, CT 068101588691893
- Roya Ghadimi, M.D.Danbury, CT 068101578578456
- Charles Herrick, M.D.Danbury, CT 068101205855822
- Santha Kurien, M.D.Danbury, CT 068101912965708
- Donna Pellerin, M.D.Danbury, CT 068101154362879
Common questions
What is Irvin R. Jennings, MD's NPI number?
Irvin R. Jennings, MD's National Provider Identifier (NPI) is 1629141379, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irvin R. Jennings, MD located?
The NPPES record lists a practice address at 75 West St, Danbury, CT, 06810. Phone: (203) 748-5689. Providers update this record themselves, so call before visiting.
How can I verify Irvin R. Jennings, MD's license?
NPPES lists Connecticut license number 0015203, 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 Irvin R. Jennings, MD prescribe under Medicare Part D?
In 2024, Irvin R. Jennings, MD had 15 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.