Tim D Trojan, MD
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Tim D Trojan, MD

Allergist-Immunologist - Allergy, Allergist-Immunologist - General


  • Board Certified


Dr. Tim Trojan, a 5th generation Oklahoman, was raised in Enid, Oklahoma with a strong agriculture influence. Trojan attended Oklahoma State University graduating with a Bachelor’s of Science in Finance. The College of Business recognized him as the outstanding graduate and The Oklahoma State University Alumni Association selected him as the 2001 Outstanding Male Graduate of the entire university.Following undergraduate studies, Trojan worked for a venture capital business unit in Houston, Texas. He elected to change career paths and pursued a career in healthcare. To complete his pre-medical requirements, he attended the University of Oklahoma.Trojan received his Medical Doctorate from the University of Texas Southwestern at Dallas in 2008. He completed Internal Medicine residency at Parkland Memorial Hospital / University of Texas Southwestern / VA North Texas.Trojan focused his training during a two year Allergy and Immunology fellowship at Parkland Memorial Hospital / University of Texas Southwestern / Children’s Medical Center of Dallas. The specialty training included research presentations at national meetings, academic journal publications, and clinical research focusing on informatics. After completion of his fellowship in 2013, Trojan was awarded his board certification in Allergy and Immunology and became a full member of the American Academy of Allergy, Asthma and Immunology and the American College of Allergy, Asthma, and Immunology.Since returning to Oklahoma, Trojan has become involved in the Oklahoma Department of Health’s New Born Screening program for Severe Combined Immunodeficiency, helped chair the OKC Food Allergy Walk, and given numerous lectures across the community. Trojan founded Allergy and Asthma Experts, PLLC and has joined Allergy Partners of Oklahoma to provide the highest quality care and to improve the lives of his fellow Oklahomans.… Read more ›

Provider Training

CertificationCert. BodyYear
Internal medicineInternal MedicineNot Specified

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Tim D Trojan, MD has not yet indicated the hospitals that he is affiliated with.


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Medical Specialties
  • Allergist-Immunologist - Sub-Specialty: Allergy
  • Allergist-Immunologist

Accepts New Patients: Yes

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