Oklahoma Licensed Counseling Psychologist​

Dr. Sadler is one of the founding partners of the practice, having been a practicing psychologist for over 30 years.  He received his Bachelor of Science degree and Ph.D. in Counseling Psychology from Oklahoma State University.  He received his Master of Science in Counseling Psychology from Central State University. Dr. Sadler has regional recognition for his particular expertise with reactive attachment disorders in individuals who have not been able to establish and maintain a healthy bond with their parents or others. Dr. Sadler is one of the founding members of the international organization, Association for Treatment and Training in The Attachment of Children, which has been in existence for 25 years.


He also specializes in providing individual and family counseling services for children, adolescents, and adults with various psychoemotional problems including depression, anxiety, obsessive-compulsive disorder, adjustment disorders. He also specializes in school related concerns.

Mark S. Sadler, Ph.D.

Setting an Appointment


Call our office at (918) 743-3224 during office hours. Leave a message or speak to Janette to give us information about your needs so we can best direct you.

Click Patient Forms to print the forms that Janette recommends for you. Be sure to sign the HIPPA consent form.



On the day of your appointment, bring completed forms with you. Try to arrive a few minutes early so we can process and gather any information we may need.

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