Meet OKSAM's Leadership

Dr. Paul Cheng, MD, MPH, FASAM
Current President
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Dr. Paul Cheng, MD, MPH, FASAM, received MPH from University of Oklahoma in Biostatistics and Epidemiology
- Residency in Anesthesiology
- Board certified by American Board of Anesthesiology
- Board certified in Addiction Medicine by American Board of Addiction Medicine
- Fellow of American Society of Addiction Medicine
- MROCC certified Medical Review Officer
Private practice Addiction Medicine and Pain Management in Enid, OKlahoma
Member of ASAM Membership committee
Served as Associate Medical Director for Oklahoma Physician Health Program
Hope to recruit more health care providers working in the field of Addiction Medicine in OKlahoma, especially in rural Oklahoma and tribal settings to collaborate and advance in care of our patient population.

Dr. Jedidiah Perdue, MD, FASAM
President Elect
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Jedidiah Perdue, MD, MPH, DFAPA, FASAM is a board-certified psychiatrist practicing in Oklahoma for over 15 years. Born and raised in Ardmore, OK, Dr. Perdue graduated from the University of Oklahoma College of Medicine in 2004, then completed his residency training in psychiatry at Duke University, where he also served as chief resident. Since returning to Oklahoma in 2008, he has been active in clinical practice and has served in leadership roles for large health systems, as well as an instructor of medical students and residents.
Dr. Perdue is the chief of psychiatry for the Chickasaw Nation Department of Health and holds adjunctive faculty positions in the Department of Biostatistics and Epidemiology for the Hudson College of Public Health and the Department of Psychiatry and Behavioral Sciences at the University of Oklahoma Health Sciences Center. He is dual-board-certified in Addiction Medicine and psychiatry and was recently named a distinguished fellow of the American Psychiatric Association.
He is currently the president-elect for the Oklahoma chapter of the American Society of Addiction Medicine and president-elect for Oklahoma Psychiatric Physicians Association, as well as chair of the Disaster Task Force Committee.

Dr. Tiffany Bartel, DO, FASAM
Vice President
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Tiffany Bartel, D.O. is an addiction medicine psychiatrist with OU Health Physicians in Oklahoma City. In her clinical practice, she focuses on the diagnosis, treatment and care of individuals with addiction and substance use disorders.
Dr. Bartel earned her medical degree from Oklahoma State University College of Osteopathic Medicine in Tulsa, OK. She completed a residency in psychiatry and a fellowship in addiction medicine from the same institution.
Health Education
- Fellowship
- Addiction Medicine, Oklahoma State University College of Osteophatic Medicine
Tulsa, OK
- Residency
- Psychiatry, Oklahoma State University College of Osteopathic Medicine
Tulsa, OK
- Medical School
- Doctor of Osteopathic Medicine, Oklahoma State University College of Osteopathic Medicine
Tulsa, OK

Dr. Kent R. Smalley, MD
Secretary/Treasurer
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Kent Smalley, MD, is a neurologist and addiction specialist at Neurowellness Clinic in Edmond, Oklahoma. He has been a featured speaker at over 100 conferences and involved in clinical trials and research work. He’s a recognized expert in the management of Alzheimer’s disease, opioid dependence, chronic pain and neuropathy.

Dr. Charles D. Taylor, MD, FASAM
Immediate Past President
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Dr. Charles D. Taylor, MD, FASAM Dr. Taylor graduated from the OU College of Medicine in 1968, completed a rotating internship in 1969, and finished his OB-GYN residency in 1970. He went on to practice Obstetrics, Gynecology, and Women’s Health for many years, caring for generations of patients.
Building on this foundation, he now focuses on Addiction Medicine and Integrative Health in Oklahoma City. In addition to his clinical work, Dr. Taylor serves as an investigator at the Rivus Wellness & Research Institute in Oklahoma City, contributing to research that advances innovation in patient care.

Dr. Todd Redding, MD, FASAM
Former OKSAM President & Website Chair
This website is dedicated to Dr. Todd Redding, former President of OKSAM's Board of Directors and Chair of the Website Committee, who passed away in Tulsa, Oklahoma, January 25, 2026. He was the driving force behind the new website and the February 21, 2026 CME OKSAM Winter Virtual Conference. He will be missed. Please click to see his obituary.
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Become an OKSAM & ASAM Member
If you join today, you have the opportunity to connect with other addiction medicine professionals in Oklahoma. You also you gain the benefits of ASAM's national membership as well.

“Please Help Save Lives by Promoting the Treatment of Addiction Today.”
This website is dedicated to Dr. Todd Redding, former President of OKSAM's Board & Chair of the Website Committee, who passed away in Tulsa, Oklahoma, January 25, 2026. Click for more information.