Joseph J. Brennan, MD
Cardiovascular Disease Physician · Branford, CT
Joseph J. Brennan, MD is a cardiovascular disease physician with a practice address in Branford, Connecticut, and NPI 1528057304, issued on Oct 14, 2005. Check the license (Connecticut 027323, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joseph J. Brennan
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 027323 CT
Self-reported in NPPES; status is on the state search - Practice location
- 11 Harrison Ave, Branford, CT 06405
- Phone
- (203) 483-8300
- Enumerated
- Oct 14, 2005
- Record last updated
- Aug 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (203) 483-8314
- Medicaid ID
- 001273234 CT
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 503 in Connecticut → Look up another NPI →
Also registered at 11 Harrison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Henry Cabin, MDCardiovascular Disease Physician1881684116
- Michael Cleman, MDCardiovascular Disease Physician1023006269
- Frank Giordano, MDCardiovascular Disease Physician1366430456
- Christopher Howes, MDCardiovascular Disease Physician1346238557
- Claudia Sepot, APRNAdult Health Nurse Practitioner1962492439
- John Setaro, MDCardiovascular Disease Physician1932199494
Verify Joseph J. Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 027323Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $104.83
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph J. Brennan among 503 cardiovascular disease physician records in Connecticut
Joseph J. Brennan, MD is one of 503 cardiovascular disease 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2008 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 cardiovascular disease physician records list a practice address in Branford
They are 8 of the 661 NPPES records with a practice address in Branford, and 503 cardiovascular disease physician records in Connecticut.
All 503 in Connecticut → Every provider in Branford → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Henry Cabin, MDBranford, CT 064051881684116
- Michael Cleman, MDBranford, CT 064051023006269
- Frank Giordano, MDBranford, CT 064051366430456
- Adam Horblitt, M.D.Branford, CT 064051104271071
- Christopher Howes, MDBranford, CT 064051346238557
- Kevin Lenhart, MDBranford, CT 064051417956012
- John Setaro, MDBranford, CT 064051932199494
- Joao Daniel Fontes, MDDerby, CT 064181790951606
Common questions
What is Joseph J. Brennan, MD's NPI number?
Joseph J. Brennan, MD's National Provider Identifier (NPI) is 1528057304, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joseph J. Brennan, MD located?
The NPPES record lists a practice address at 11 Harrison Ave, Branford, CT, 06405. Phone: (203) 483-8300. Providers update this record themselves, so call before visiting.
How can I verify Joseph J. Brennan, MD's license?
NPPES lists Connecticut license number 027323, 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.
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.