Thomas M. D'Addario, MD
Internal Medicine Physician · Branford, CT
Thomas M. D'Addario, MD is an internal medicine physician with a practice address in Branford, Connecticut, and NPI 1760877989, issued on Apr 3, 2015. Check the license (Connecticut 57156, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas M. D'Addario
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 57156 CT
Self-reported in NPPES; status is on the state search - Practice location
- 960 Main St, Branford, CT 06405
- Phone
- (203) 488-6358
- Enumerated
- Apr 3, 2015
- Record last updated
- Feb 3, 2022
- Fax
- (203) 481-5327
- Medicare enrollment
- Enrolled (PECOS I20180717000628); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 960 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Richard Kaufman, MDInternal Medicine Physician1215991575
Verify Thomas M. D'Addario in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 57156Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average internal medicine physician in 2024
3,684 Medicare Part D claims for 415 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium414 claims
- Amlodipine Besylate318 claims
- Atorvastatin Calcium245 claims
- Losartan Potassium216 claims
- Levothyroxine Sodium145 claims
- Hydrochlorothiazide142 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.
Bills Medicare through one group practice
- Quinnipiac Medical OF Branford LLCBranford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas M. D'Addario among 2,623 internal medicine physician records in Connecticut
Thomas M. D'Addario, MD is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 1,646 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 internal medicine physician records list a practice address in Branford
They are 20 of the 661 NPPES records with a practice address in Branford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Branford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Antonio Daria, DOBranford, CT 064051447443676
- David Eilbott, MDBranford, CT 064051720094188
- Jon Fessel, MDBranford, CT 064051205843554
- Jaimy Honig, MDBranford, CT 064051518921857
- Mark Kasper, MDBranford, CT 064051780648238
- Richard Kaufman, MDBranford, CT 064051215991575
- Si-Hoi Lam, M.D.Branford, CT 064051477574929
- Denis Miller, MDBranford, CT 064051578570594
Common questions
What is Thomas M. D'Addario, MD's NPI number?
Thomas M. D'Addario, MD's National Provider Identifier (NPI) is 1760877989, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Thomas M. D'Addario, MD located?
The NPPES record lists a practice address at 960 Main St, Branford, CT, 06405. Phone: (203) 488-6358. Providers update this record themselves, so call before visiting.
How can I verify Thomas M. D'Addario, MD's license?
NPPES lists Connecticut license number 57156, 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 Thomas M. D'Addario, MD prescribe under Medicare Part D?
In 2024, Thomas M. D'Addario, MD had 3,684 Medicare Part D claims for 415 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.