Jason Zakko, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Hartford, CT
Jason Zakko, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Hartford, Connecticut, and NPI 1003201377, issued on Apr 2, 2015. Check the license (Connecticut 80303, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jason Zakko
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 80303 CT
Self-reported in NPPES; status is on the state search - Practice location
- 80 Seymour Street, Hartford, CT 06102
- Phone
- (860) 696-5520
- Enumerated
- Apr 2, 2015
- Record last updated
- Oct 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250613000943); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 79 in Connecticut → Look up another NPI →
Also registered at 80 Seymour Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Zakko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 80303Check 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: $899.47
12 payments; by number, the most common kind was food and beverage; the largest payer was Artivion, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 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.
Bills Medicare through 2 group practices
- Hartford Healthcare Medical Group Specialists PLLCHartford, CT
- University OF Connecticut Health CenterFarmington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Zakko among 79 thoracic surgery (cardiothoracic vascular surgery) physician records in Connecticut
Jason Zakko, M.D. 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 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 11% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2015 · median 1998 among the 48 with a school on file
- Record last updated2025 · 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 Hartford → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Robert Gallagher, MDHartford, CT 061051801894829
- Jennifer Perri, M.D.Hartford, CT 061051487065801
- John Thayer, MDHartford, CT 061051942293956
- Whitney Burrows, M.D.Hartford, CT 061061205840444
- Jonathan Hammond, MDHartford, CT 061061235115965
- Sabet Hashim, MDHartford, CT 061061497719579
- Chester Humphrey, MDHartford, CT 061061891871448
- Robert Lowe, MDHartford, CT 061061447243951
Common questions
What is Jason Zakko, M.D.'s NPI number?
Jason Zakko, M.D.'s National Provider Identifier (NPI) is 1003201377, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jason Zakko, M.D. located?
The NPPES record lists a practice address at 80 Seymour Street, Hartford, CT, 06102. Phone: (860) 696-5520. Providers update this record themselves, so call before visiting.
How can I verify Jason Zakko, M.D.'s license?
NPPES lists Connecticut license number 80303, 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.