Zenon Protopapas, MD
Diagnostic Radiology Physician · New Haven, CT
Zenon Protopapas, MD is a diagnostic radiology physician with a practice address in New Haven, Connecticut, and NPI 1083606321, issued on Aug 22, 2005. Check the license (Connecticut 030336, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Zenon Protopapas
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 030336 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Chapel St, New Haven, CT 06511
- Phone
- (203) 789-3124
- Enumerated
- Aug 22, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (203) 789-4118
- Medicare enrollment
- Enrolled (PECOS I20070517000544); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1450 Chapel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pirjo Aalto-Fischer, LCSWClinical Social Worker1225473655
- Elie AbdelnourPsychiatry Physician1790346070
- Katherine AdamsSpeech-Language Pathologist1023851821
- Oluwatosin Adeyemo, M.D. , MPHObstetrics Physician1447696844
- Elizabeth Ahmed, M.D.Family Medicine Physician1376551879
- Sohee Ahn, PHARMDPharmacist1649894387
Verify Zenon Protopapas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 83.6 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).
Bills Medicare through 2 group practices
- Meriden Imaging Center IncNew Britain, CT
- Midstate Radiology Associates LLCMeriden, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
193 diagnostic radiology physician records list a practice address in New Haven
They are 193 of the 9,793 NPPES records with a practice address in New Haven, and 619 diagnostic radiology physician records in Connecticut.
All 193 in New Haven → All 619 in Connecticut → Every provider in New Haven →
Other diagnostic radiology physician records in Connecticut
- Sandra Abi Fadel, M.D.New Haven, CT1396308995
- Mehmet Adin, M.D.New Haven, CT1508429192
- Marco Adly, MDNew Haven, CT1952915860
- Anjali Agrawal, M.D.New Haven, CT1427034016
- Paul Aiello, M.D.Bridgeport, CT1366447302
- Carolyn Ajemian, MDSouthbury, CT1699707018
- Samantha Aldred, M.D.New Canaan, CT1194026427
- Kasim Ali, MDNew Haven, CT1275876120
- Abedalrazaq AlkukhunNew Haven, CT1922456425
- Naveed Alvi, MDFarmington, CT1952379000
Common questions
What is Zenon Protopapas, MD's NPI number?
Zenon Protopapas, MD's National Provider Identifier (NPI) is 1083606321, issued on Aug 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Zenon Protopapas, MD located?
The NPPES record lists a practice address at 1450 Chapel St, New Haven, CT, 06511. Phone: (203) 789-3124. Providers update this record themselves, so call before visiting.
How can I verify Zenon Protopapas, MD's license?
NPPES lists Connecticut license number 030336, 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.
What is Zenon Protopapas, MD's MIPS final score?
The 2023 MIPS final score is 83.6 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.