Marshall ,Jr., Gailen D., M.D., Ph.D.

Marshall ,Jr., Gailen D., M.D., Ph.D.

Specialties: Allergy and Immunology

Gender: Male

Practice Locations

1 Pavilion - UMMC
2500 N. State St., Jackson, MS 39216
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2 UMMC Colony Park South
326 Commerce Center Drive, Ridgeland, MS 39157
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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.

*Note: Grenada and Holmes County locations have different payor contracts. Oral Surgeons are considered in-network to the medical health plans listed below NOT dental.

Medicare health insurance plans

  • Humana Medicare Advantage
  • Medicare - Fee For Service
  • Railroad Medicare - Fee for Service
  • Shared Health Mississippi
  • United Healthcare (except DSNP)
  • Vantage Health Plan - Medicare Advantage
  • Wellcare - Medicare Advantage

Medicaid health plans

  • Mississippi Medicaid
  • MS CAN - Magnolia Health Plan, Molina HealthCare, United Healthcare
  • Medicaid MS CHIP - Molina MS CHIP and United Healthcare

Dental plans

  • Always Care
  • Medicaid
  • MS CAN - Magnolia Health Plan, Molina HealthCare, United Healthcare
  • Ambetter - Magnolia Health Plan

Commercial, Marketplace and other health plans

  • Always Care - Dental & Vision
  • Avesis (Molina)
  • Aetna Health Management
  • Ambetter - Magnolia Health Plan
  • American Life Care - PHCS/Multiplan
  • Blue Cross & Blue Shield of Mississippi
  • Cenpatico - Behavioral Health
  • Cigna PPO and Behavioral Health (excludes transplants)
  • Corvel Healthcare Corp
  • First Choice Health Plan - includes Humana PPO Commercial, but not Humana Medicare Advantage
  • First Health Network/Coventry - Aetna
  • Government Employees Health Insurance Association (GEHA) - United Healthcare
  • Hattiesburg Clinic Professional Association - MPCN
  • Interlink Health Services - Transplant Services
  • LifeTrac - Transplant Services
  • Mississippi Department of Rehab Services (MDRS)
  • Mississippi Health Partners (MHP) - Family Medicine Only
  • Mississippi Physicians Care Network (MPCN)
  • Mississippi State Hospital
  • Mississippi State and School Employees' Health Insurance Plan (AHS Network administered by Blue Cross & Blue Shield of Mississippi)
  • Multiplan - PHCS/American Life Care
  • North Mississippi Health Link
  • OptumHealth Care Solutions, Inc. - Transplant Services
  • OptumHealth VA CCN 
  • PPO Plus, LLC/Zelis/Stratose
  • Private Healthcare Systems (PHCS)
  • Tricare
  • United Healthcare - PPO Commercial, CHIP, MSCAN, Behavioral Health
  • Vantage Health Plan - Commercial, PPACA Plan and Medicare Advantage Plan
  • Veterans Administration

Education

Board Certification: Internal Medicine, Internal Medicine, Allergy & Immunology
Fellowship:University of Tennessee-Memphis
Graduate School:University of Texas Graduate School of Biomedical Sciences at Galveston
Internship:University of Iowa Roy J. and Lucille A. Carver College of Medicine
Medical Education:University Of Texas Medical Branch At Galveston
Residency:University of Iowa Roy J. and Lucille A. Carver College of Medicine
Residency:University of Tennessee-Memphis

Experience

Current Positions

Professor, School of Population Health, UMMC, MS11/2017 - Present
The R. Faser Triplett Sr. MD Chair in Allergy and Immunology, School of Medicine, Department of Medicine, UMMC2012 - Present
Vice Chairman for Research, School of Medicine, Department of Medicine, UMMC11/2011 - Present
Staff Physician and Consultant, G.V. (Sonny) Montgomery Veterans Affairs Medical Center10/2007 - Present
Chief, Laboratory of Behavioral Immunology Research, School of Medicine, Department of Medicine, UMMC2004 - Present
Division Director, School of Medicine, Department of Medicine, UMMC2004 - Present
Professor, School of Medicine, Department of Medicine, UMMC2004 - Present

Specialty Certification Licensure

DEA12/2015 - 01/2019
Certification, Diagnostic Laboratory Immunology, American Board of Allergy & Immunology1990 - Present
Certification, American Board of Internal Medicine09/1988 - Present
Certification, American Board of Allergy and Immunology2019 - 12/2028
Licensure, Mississippi Licensure, Mississippi State Board of Medical Licensure2004 - 06/2022
Certification, American Board of Allergy and Immunology1999 - 2029
Certification, American Board of Allergy and Immunology1989 - 1999

Honors, Awards, and Recognition

Who's Who in Science and Engineering, 12th Edition, Marquis Who's Who2016
2000 Outstanding Intellectuals of the 21st Century, International Biographical Centre Cambridge England2016
Inaugural Recipient of the 2015 Mentor of the Year Award, The Southern Section for Clinical Investigation2015
Who's Who in Science and Engineering, Marquis Who's Who2011
Distinguished Alumnus Award, University of Texas Medical Branch2010
America's Top Physicians2009
Distinguished Fellow Award, American College of Allergy, Asthma and Immunology2009
The Bernard Berman Memorial Lectureship, American College of Allergy, Asthma, and Immunology2008
Distinguished Service Award, American College of Allergy, Asthma, and Immunology2007
Who's Who in America, Who's Who2006
Who's Who in American Education, Who's Who in America2006
The Jaros Memorial Lectureship, American College of Allergy, Asthma and Immunology2006
Who's Who in America2004
Who's Who in Medicine and Healthcare, Who's Who in America2004
The Daniel Goodman Lectureship, American College of Allergy, Asthma and Immunology2004
Selected to the Guide to Top Doctors, Center for the Study of Services, Washington, D.C.2003
The Jean A Chapman Lectureship, American College of Allergy, Asthma and Immunology2003
Honored Speaker Award, The University of Texas - Health Science Center at Houston Medical School2002
Best Doctors in America2001
Who's Who in the South and Southwest, Who's Who2000
Who's Who in the South and Southwest, Who's Who1995
Excellence in Teaching Award, University of Texas Health Science Center1994
Excellence in Teaching Award, University of Texas Health Science Center1991
Clinical Teaching Award, Department of Internal Medicine - Baptist Memorial Hospital, Memphis, TN1987
President's Grant-In-Aid-Award, American Academy of Allergy & Immunology1986
NIH Postdoctoral Fellowship, University of Iowa - Immunology Training Grant1985
Who's Who in Frontiers of American Science, Who's Who in America1985
James W. McLaughlin Postdoctoral Fellowship, University of Texas Medical Branch1979
President's Award for Best Paper, The Reticuloendothelial Society1979
S. Edward Sulkin Awards, Texas Branch - American Society of Microbiology1977
James W. McLaughlin Predoctoral Fellowship, University of Texas - Graduate School of Biomedical Science1976
S. Edward Sulkin Awards, Texas Branch - American Society of Microbiology1975