Michael L. Dewar, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · New Haven, CT
Michael L. Dewar, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in New Haven, Connecticut, and NPI 1366450611, issued on Aug 3, 2006. Check the license (Connecticut 030234, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael L. Dewar
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 030234 CT
Self-reported in NPPES; status is on the state search - Practice location
- 330 Cedar St # BB204, New Haven, CT 06510
- Phone
- (203) 785-6253
- Enumerated
- Aug 3, 2006
- Record last updated
- Feb 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (203) 785-3346
- Medicaid ID
- 001302348 CT
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 79 in Connecticut → Look up another NPI →
Also registered at 330 Cedar St # BB204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Williams, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1679740005
Verify Michael L. Dewar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030234Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
17 Medicare Part D claims, against an average of 101 among the 2,587 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Michael L. Dewar among 79 thoracic surgery (cardiothoracic vascular surgery) physician records in Connecticut
Michael L. Dewar, MD is one of 79 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Connecticut. 73% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Connecticut
There are 79 thoracic surgery (cardiothoracic vascular surgery) physician records in Connecticut.
All 79 in Connecticut → Every provider in New Haven → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Muhammad Anwer, MDNew Haven, CT 065101679941462
- Roland Assi, M.D.New Haven, CT 065101184945800
- Justin Blasberg, MDNew Haven, CT 065101538391883
- Pramod Bonde, MDNew Haven, CT 065101013192061
- Umer Darr, MDNew Haven, CT 065101386806982
- Peter Gruber, M.D,. PH.DNew Haven, CT 065101053409458
- Vincent Mase, M.D.New Haven, CT 065101205954393
- Rita Milewski, MDNew Haven, CT 065101710197850
Common questions
What is Michael L. Dewar, MD's NPI number?
Michael L. Dewar, MD's National Provider Identifier (NPI) is 1366450611, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael L. Dewar, MD located?
The NPPES record lists a practice address at 330 Cedar St # BB204, New Haven, CT, 06510. Phone: (203) 785-6253. Providers update this record themselves, so call before visiting.
How can I verify Michael L. Dewar, MD's license?
NPPES lists Connecticut license number 030234, 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 Michael L. Dewar, MD prescribe under Medicare Part D?
In 2024, Michael L. Dewar, MD had 17 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
What is Michael L. Dewar, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.