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Meet Our Faculty

Griffin Memorial Hospital


Clayton Morris, M.D.

GMH Medical Director, COCMHC Medical Director, GMH Residency Training Program Director
Professor of Psychiatry

Medical School: University of Oklahoma, College of Medicine
Residency: University of Oklahoma, Department of Psychiatry

Dr. Morris is the Medical Director and Residency Director at Griffin Memorial Hospital. He is also the Medical Director of Central Oklahoma Mental Health Center. He is also involved in opiate overdose prevention, a naloxone initiative. He completed the Oklahoma Society for Psychoanalytic Studies year of training in 2009 and also maintains a private therapy practice.

Stan Ardoin, M.D.

Chairman of Psychiatry Residency Training Program
Professor of Psychiatry

Medical School: University of Oklahoma College of Medicine
Residency: Griffin Memorial Hospital

Dr. Ardoin received his M.D. from OUHSC in 1990. He completed the Griffin Memorial Hospital Psychiatric Residency Program in 1994. He was board certified in psychiatry in 1995 and re-certified in 2005. Over the years since 1995, has held clinical and leadership roles at a number of state facilities. Currently, he provides clinical services at Griffin Memorial Hospital, Central Oklahoma Community Mental Health Center and is the acting chair of the GMH Residency Program. He also maintains a part-time private practice. Interests include Adult Psychiatry, Forensic Psychiatry, resident training and teaching. 

Muhammad Ishaq, M.D.

Associate Professor

Medical School: Punjab Medical College
Residency: Griffin Memorial Hospital

Dr. Ishaq is involved in training of the residents on the inpatient unit. In addition to providing clinical services at GMH, he also provides Consult & Liaison services at Norman Regional Hospital.

Tarek Kanaa, M.D.

Associate Professor

Medical School: Medical University of the Americas
Residency: Griffin Memorial Hospital

William Tankersley, M.D.

Medical Director at Children's Recovery Center
Professor of Psychiatry

Medical School: University of Oklahoma College of Medicine
Residency: University of Oklahoma Department of Psychiatry
Child-Adolescent Fellowship at University of Oklahoma

Dr. Tankersley is the Medical Director at CRC. He is interested in substance abuse in children and adolescent population, as well as trends in synthetics, vapors and E-Cigarettes for both tobacco and illicit drug use and adolescent's usage rates of diverted Colorado Cannabis products in Oklahoma. He is also interested in performance improvement projects for staff and residents.

Children's Recovery Center


Nathan Davis, M.D.

Medical Director at Children's Recovery Center
Professor of Psychiatry

Medical School: University of Oklahoma College of Medicine
Residency: University of Oklahoma Department of Psychiatry
Child-Adolescent Fellowship at University of Oklahoma

Dr. Davis is the Director of the Crisis Services and Male Adolescent Residential Care Program. He is involved with training of the residents on the crisis adolescent unit.

Central Oklahoma Community Mental Health Center (COCMHC)


Linta Abraham, MD

Administration


Raven Clark

Residency Program Coordinator

Rett Norman

Residency Program Coordinator

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