Bruce Brennan, MD
Internal Medicine Physician · Ansonia, CT
Bruce Brennan, MD is an internal medicine physician with a practice address in Ansonia, Connecticut, and NPI 1013927797, issued on Aug 8, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Bruce Brennan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 22 Westfield Ave, Ansonia, CT 06401
- Phone
- (203) 734-7100
- Enumerated
- Aug 8, 2006
- Entity
- Type 1 · individual
Also registered at 22 Westfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Dodge, PA-CPhysician Assistant1558402230
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- Roy Kalman, M.D.Gynecology Physician1053335299
- Deborah Levenson, M.D.Gastroenterology Physician1952406688
- Michael Lipcan, MDGastroenterology Physician1770624447
- Ashish Malhotra, MDGastroenterology Physician1750589883
Verify Bruce Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
31% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,914 Medicare Part D claims for 193 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium254 claims
- Metformin Hcl172 claims
- Amlodipine Besylate160 claims
- Lisinopril75 claims
- Lisinopril-Hydrochlorothiazide74 claims
- Jardiance72 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.
Industry payments in 2024: $1,788.20
15 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
13 internal medicine physician records list a Ansonia practice address
They are 13 of the 203 NPPES records with a Ansonia practice address, and 2,830 internal medicine physician records in Connecticut.
All 13 in Ansonia → All 2,830 in Connecticut → Every provider in Ansonia →
Other internal medicine physician records in Connecticut
- Christina AbavanaBridgeport, CT1508206574
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Mahmoud Abdelrahman, MDBridgeport, CT1467072868
- Simon Abi-SalehBridgeport, CT1891315529
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Nila Aburto, MDStamford, CT1396325718
- Angelo Accomando, M.D.East Haven, CT1063454247
Common questions
What is Bruce Brennan, MD's NPI number?
Bruce Brennan, MD's National Provider Identifier (NPI) is 1013927797, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Bruce Brennan, MD located?
The NPPES record lists a practice address at 22 Westfield Ave, Ansonia, CT, 06401. Phone: (203) 734-7100. Providers update this record themselves, so call before visiting.
How can I verify Bruce Brennan, MD's license?
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 Bruce Brennan, MD prescribe under Medicare Part D?
In 2024, Bruce Brennan, MD had 1,914 Medicare Part D claims for 193 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.