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Mark E. Ladner, MD

Mark E. Ladner, MD

Specialties: Adult Psychiatry

Gender: Male

Biography: Mark E. Ladner, M.D. is a professor and Chair of the Department of Psychiatry and Human Behavior. Dr. Ladner is board certified in psychiatry. He is the primary attending on 7 West inpatient psychiatry unit and Medical Director of the Adult Outpatient Psychiatric Clinic at Riverchase. Dr. Ladner received his medical degree from the University of Mississippi School of Medicine and also completed his residency at UMMC, where he served as chief resident. Dr. Ladner’s career has included positions at Madison County Medical Center, Hinds Behavioral Health Services, Psycamore Psychiatric Programs and the G.V. (Sonny) Montgomery VA Medical Center. He also operated a private psychiatric practice at St. Dominic-Jackson Memorial Hospital. Outside of the hospital, Dr. Ladner enjoys spending time with his family and attending athletic events. His wife is the Executive Director of the Mississippi Psychiatric Association and their triplet daughters currently attend the University of Mississippi.

My Approach to Healthcare

I believe in developing a strong and caring professional relationship with my patients. I provide evidence based quality care to increase my treatment success rates. I also believe in a customer based, empathetic approach which meets the patient's needs and helps the patient feel valued and appreciated.

Practice Locations

1 Riverchase - UMMC
2550 Flowood Drive, Flowood, MS 39232
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: Psychiatry & Neurology, Psychiatry
Internship:University of Mississippi School of Medicine
Medical Education:University of Mississippi School of Medicine
Residency:University of Mississippi School of Medicine

Experience

Current Positions

Department Chair, School of Medicine, University of Mississippi Medical Center Department of Psychiatry and Human Behavior, Jackson, MS 3921608/2023 - Present
Professor, School of Medicine, UMMC, Jackson, MS07/2018 - Present
Outpatient Director, School of Medicine, Department of Psychiatry, UMMC04/2016 - Present
Fellow, American Psychiatric Association05/2010 - Present

Specialty Certification Licensure

Certification, Maintained Board Certification in Psychiatry, American Board of Psychiatry and Neurology02/2017 - Present
DEA, DEA Certification11/1993 - 03/2026
Licensure, Mississippi State Board of Medical Licensure08/1993 - Present
Certification, Maintenance of Board Certification in Psychiatry, American Board of Psychiatry and Neurology03/2007 - 12/2017
Certification, Initial Board Certification in Psychiatry, American Board of Psychiatry and Neurology11/1997 - 11/2007

Honors, Awards, and Recognition

Elected to the Council on Constitution and Bylaws 8/10/2024, Mississippi State Medical Association2024
Distinguished Life Fellow, American Psychiatric Association2024
Academy of Excellence in Education, University of Mississippi Medical Center2023
Selected for membership into Alpha Omega Alpha Honor Society, UMMC Chapter of the Alpha Omega Alpha Medical Honor Society2023
Trailblazer Teaching Award, UMMC Office of Medical Education2020
Professor, UMMC2018
Service Award in appreciation of 10 years of dedicated service to the United States Government, Jackson VA Medical Center2014
Certificate of Achievement: Time off Award, Jackson VA Medical Center2012
Certificate of Achievement: Customer Service Quality Award, Jackson VA Medical Center2010
Outstanding Service Award for Directing the Business of Psychiatry Course to PGY IV Psychiatric residents, University of Mississippi Medical Center Psychiatry Department2006
Katrina Incentive Award, Jackson VA2005
Jacquith Award for Outstanding Senior Resident, University of Mississippi Medical Center Psychiatry Department1996
Chief Resident, University of Mississippi Medical Center Psychiatry Department1995
Cum Laude Graduate/Dean and Chancellor's Honor Rolls, University of Mississippi1987