Yoshitsugu Obi, MD
Specialties: Nephrology
Gender: Male
Biography: Dr. Obi joined UMMC in 2021 as an Assistant Professor for Nephrology. He obtained his medical degree from Yamanashi Medical University in 2004. He then pursued his post-graduate training at Rinku General Medical Center in 2007. He completed his Ph.D. at Osaka University Graduate School of Medicine in 2013. He completed his Nephrology Fellowship at the University of Tennessee Health Science Center in 2021.
My Approach to Healthcare
At UMMC, patient care is my foremost priority. I consistently emphasize tailored treatments, ensuring each patient receives the care they deserve. Beyond being a physician-scientist, I am a fervent advocate for health and well-being, unwavering in my dedication to those I have the honor to serve.
Practice Locations
|
1
Jackson Medical Mall - UMMC Clinics
350 Woodrow Wilson Drive, Jackson, MS 39213 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 - 2026MississippiCAN 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)
- 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)
- 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
- 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
- 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
- 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: | Internal Medicine |
| Fellowship: | Rinku General Medical Center |
| Fellowship: | University of Tennessee Health Science Center College of Medicine |
| Fellowship: | University of California (Irvine) Medical Center |
| Internship: | Osaka General Medical Center |
| Medical Education: | Osaka University |
| Medical Education: | Yamanashi Medical University |
| Residency: | Osaka General Medical Center |
Experience
Current Positions
| Assistant Professor, School of Medicine, University of Mississippi Medical Center, Jackson, MS 39216-4500 | 09/2021 - Present |
Specialty Certification Licensure
| Certification, Internal Mediicine, American Board of Internal Mediicine | 10/2025 - Present |
| Certification, ECFMG Certification, Educational Commission for Foreign Medical Graduates | 03/2019 - Present |
| DEA | |
| Licensure, MD Limited Institutional license in the state of Mississippi, MISSISSIPPI STATE BOARD OF MEDICAL LICENSURE | 04/2012 - Present |
| NPI |
Honors, Awards, and Recognition
| Young Faculty Research Award, Southern Society for Clinical Investigation | 2025 |
| Physician’s Recognition Award with Commendation, American Medical Association | 2024 |
| Fellow, Southern Society for Clinical Investigation | 2024 |
| Young Faculty Research Award, Southern Society for Clinical Investigation | 2024 |
| Best Clinical Research Poster, University of Mississippi Medical Center Annual Department of Medicine | 2023 |
| Clinical and Translational Research Scholar, The Mississippi Center for Clinical and Translational Research | 2021 |
| Fellow, American College of Physician | 2020 |
| Fellow, Japanese Society of Nephrology | 2019 |
| Fellow, American Society of Nephrology | 2017 |
| Research Fellow, The Uehara Memorial Foundation | 2017 |
| Best Abstract Award, The 18th International Congress on Nutrition and Metabolism in Renal Disease | 2016 |
| Fellow, Japanese Society of Internal Medicine | 2015 |
| Best Abstract by a Young Author Award, The 50th ERA-EDTA Congress | 2013 |
| Best Abstract (Gold Award), The 12th Congress of the Asian Society of Transplantation | 2011 |
| Fellow, Japanese Society of Dialysis Therapy | 2008 |