Athanasios Tsiouris, MD
Specialties: Cardiac Surgery
Gender: Male
Biography: Dr Athanasios Tsiouris is an Associate Professor and an attending surgeon in the Division of Cardiac Surgery at the University of Mississippi Medical Center. He is the surgical director of heart transplant and mechanical circulatory support. He has a special interest in heart, lung transplantation and LVADs. His clinical and research interest include thoracic transplantation and mechanical circulatory support devices. He trained as a cardiothoracic surgeon at Yale University and completed a fellowship in heart and lung transplantation at the Cleveland Clinic. Dr Tsiouris is board certified in Surgery and Cardiothoracic Surgery.
Practice Locations
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1
UMMC Colony Park South
326 Commerce Center Drive, Ridgeland, MS 39157 View Location |
Accepted Insurance Plans
The University of Mississippi Medical Center accepts all plans, but may not be an in-network provider with your plan. We encourage you to contact your insurer and ask if the plan is in network with UMMC. Always contact your insurance carrier for specific coverage information.
Network Participation - 2026
MississippiCAN and CHIP [Managed Care programs promulgated by the Mississippi Division of Medicaid]
- Molina Healthcare of Mississippi, Inc.
- Magnolia Health (Centene)
- TrueCare
Affordable Care Act (ACA) Marketplace [Individual plans offered on healthcare.gov]
- Ambetter from Magnolia Health (Centene)
- Molina Healthcare of Mississippi, Inc.
- UHC Marketplace (Madison only)
Medicare Advantage
- Devoted Health Plans: PPO, HMO, DSNP, CSNP
- HealthSpring Plans: PPO, HMO, DSNP
- Humana: PPO, HMO, DSNP, CSNP, ISNP
- United Healthcare Plans: PPO, HMO, DSNP, CSNP, ISNP
- WellCare (Centene) Plans: PPO, HMO, DSNP
Commercial - Group and Individual
- Aetna Plans: PPO, HMO [Includes all facilities except UMMC Madison]
- BCBSMS Plans: BlueCardPPO, State Health Plan (AHS), Federal Employee Plan (FEP)
- Cigna Plans: PPO, HMO
- United Healthcare Plans: PPO, HMO (Includes plans administered by UMR, UnitedHealth Group's wholly owned third-party administrator (TPA) subsidiary)
Transplant Only Networks
- Optum Plan: Commercial • Programs: Solid Organ, BMT, VAD
- Emerging Therapy Solutions (ETS) Plan: Commercial • Programs: Solid Organ, BMT, CAR-T, VAD
- Interlink Plan: Commercial • Programs: Solid Organ, BMT, CAR-T
- Celtic Plans: Ambetter, WellCare, Magnolia Health MississippiCAN, Magnolia Health CHIP • Programs: Solid Organ, BMT
- Cigna Lifesource Plan: Commercial • Programs: Solid Organ, BMT, CAR-T, VAD
Dental
- Avesis Plan: MississippiCAN and CHIP (TrueCare)
- Always Care/Unum Plan: Commercial
Vision
- Avesis Plan: MississippiCAN and CHIP (TrueCare)
- Always Care/Unum Plan: Commercial
Rental Networks (Utilized by self-funded employer group plans and third-party administrators (TPAs))
- Mississippi Physicians Care Network (MPCN) [If MPCN is present on a Member/Subscriber ID, all UMMC facilities and providers are in-network regardless of TPA.]
- First Choice Health Plan
- Claritev (formerly Multiplan)
- Zelis
Government Programs
- Humana Military Plan: Tricare
- United Healthcare Plan: Veterans Affairs Community Care Networks
Plans and Payors UMMC is not in-network with as of April 1, 2026
- Oscar Health Plan: ACA Marketplace [Final negotiations taking place now. Anticipate in-network participation, effective June 1, 2026.]
- Cigna (Connect EPO) Plan: ACA Marketplace
- American Health Advantage Plan: Medicare Advantage
- Patrius Health (BCBSMS) Plan: Medicare Advantage
- Aetna Plan: Medicare Advantage
Education
| Board Certification: | General Surgery; Thoracic Surgery |
| Fellowship: | Cleveland Clinic Foundation |
| Internship: | Henry Ford Hospital |
| Medical Education: | University of Thessalia Faculty of Medicine |
| Residency: | Henry Ford Hospital |
| Residency: | Yale University School of Medicine |
Experience
Current Positions
| Associate Professor, School of Medicine, University of Mississippi Medical Center, Jackson 39216 | 08/2022 - Present |
Specialty Certification Licensure
| Licensure, Mississippi State Board | 05/2022 - Present |
| Certification, Board Certification in General Surgery | |
| Certification, Board Certification in Thoracic Surgery |
Honors, Awards, and Recognition
| Roy D. Mclude Research Award, Henry Ford Hospital | 2014 |