Meet Our Providers

Sergio Sanchez, MD

Dr. Sanchez completed medical school in Brazil.  He then completed his residency in Psychiatry at The University of Oklahoma in 2001. He received training in the Veterans Affairs Medical Center in Oklahoma City and has worked with veterans ever since. He has worked in various chemical dependency programs and now works with Buprenorphine for Opioid Dependence Disorders. He has been involved in over fifty psychopharmacological research studies. Dr. Sanchez has worked in the acute inpatient hospital setting since medical school and continues to do so. He emphasizes family core values and is fluent in Spanish and Portuguese.

Donna Ambrose, APRN

Ms. Ambrose graduated from the University of Pennsylvania with a master's degree as a Psychiatric Nurse Practitioner. She is also Certified in Cognitive Therapy by the Beck Institute for Cognitive Therapy. She has over 20 years' experience in treating a variety of psychiatric conditions. She has now focused her practice on patients with Opioid Dependence Disorders utilizing Buprenorphine and other medications resulting in long term abstinence.