Psychiatric Treatment in Scottsdale - About Us

Dr. Roland Segal

Dr. Roland Segal

Dr. Segal completed his medical school education at the University of Arizona, College of Medicine in Tucson Arizona. He continued training in a general psychiatry residency at Banner Good Samaritan Medical Center in Phoenix Arizona. Then Dr. Segal completed a forensic psychiatry fellowship at the University of Southern California, Keck School of Medicine in Los Angeles.   


Dr. Segal is double board certified in General and Forensic Psychiatry.  


Dr. Segal is the Chief Medical Officer at the Valley Hospital in Phoenix, Arizona.


(Psychiatrist in Scottsdale - Psychiatric Treatment in Scottsdale - Psychiatrist in Phoenix )




Dr. Ehab Abdallah

Dr. Ehab Abdallah

 Dr. Abdallah obtained his medical degree from Alexandria University in Alexandria, Egypt. He completed his residency training in psychiatry at West Virginia University. 


Dr. Abdallah is triple board certified in General Psychiatry, Consultation Liaison (Psychosomatic) Psychiatry and Addiction Psychiatry. 


Dr. Abdallah is experienced in treating psychiatric illness in people with complex medical/psychiatric conditions and is an expert in addiction medicine. He is passionate about quality care. 

Dr. Elena Volfson

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 Dr. Volfson is a double board-certified in general adult and addiction psychiatry and is featured as a 2018 Top Doctor in Phoenix Magazine. She completed her medical training at the St. Petersburg Pavlov Medical University in St.Petersburg, Russia.  Dr. Volfson completed Masters in Public Health Degree at the University of Albany, New York and Psychiatric Residency and Addiction Fellowship at the UMDNJ Robert Wood Johnson Medical School in New Brunswick, New Jersey. She served as a Medical Director of the Integrated/Collaborative program at the Philadelphia Veteran Affairs Medical Center and as an Assistant Professor of Psychiatry at Perelman School of Medicine University of Pennsylvania. Presently, Dr. Volfson is a consultant at the Mayo Clinic in Scottsdale, Arizona and is an Assistant Professor of Psychiatry at the Mayo College of Medicine.  

Dr. John Lee

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Dr. John Lee has been a member of the Phoenix behavioral health community for over 10 years. He obtained his medical degree at Midwestern University at Chicago College of Osteopathic Medicine and trained at Maricopa Medical and Banner Good Samaritan.  

Alexandra Presler, PA

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 Alexandra Presler is a nationally certified physician assistant specializing in psychiatry. She completed her Bachelor of Science degree in Physiology with Psychology minor, from the University of Arizona in Tucson, Arizona and then earned her Master of Physician Assistant Studies from Northern Arizona University in Phoenix, Arizona.

Alexandra is a Psychiatric Physician Assistant at Valley Hospital’s Partial Hospitalization and Intensive Outpatient Programs.

For optimal patient outcomes, Alexandra uses a compassionate, collaborative approach to clinical care.

Cory M.J. Groman LPC

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Cory M.J. Groman has been a practicing psychotherapist for the past 8 years.  Cory received his Bachelor’s degree in psychology from The Ohio State University in Columbus, Ohio and his Masters in counseling from Franciscan University of Steubenville, located in Steubenville, Ohio. Over the course of his career Cory has served in several leadership positions including as the lead to the crisis response team while working with Talbert House in Cincinnati, Ohio.  Most recently he has served as Lead Therapist at Valley Hospital in Phoenix, AZ. He has also conducted research having been published in the journal of ADHD. He has served as faculty and written lectures for American Physicians Institute for Advanced Professional Studies, a web based learning center for the continuing education of medical professionals. In addition, he has been a peer reviewer for OMICS publishing group, a peer review journal. Cory has treated a variety of populations from children to adults with a variety of conditions/issues including: anxiety, depression, OCD, ADHD, social anxiety, loss of meaning, addictions, grief/loss, employment issues, decision making, impulsivity. 

Coming Soon

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Coming Soon

Dr. Daniel Pacheco

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Dr. Daniel M. Pacheco is a board certified Internal Medicine physician, who is also certified to provide Suboxone treatment. He brings a unique background of being a former Masters level mental health/substance abuse counselor, prior to becoming a physician. Dr. Pacheco has worked in a variety of inpatient/outpatients settings as a physician and chief medical officer. Having this vast experience allows him to better understand and treat those with addictions. His passion is helping others make positive changes in their lives and treating the whole person.

Kristin McKenzie, MA, LPC

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Kristin is an independently licensed clinician that has extensive experience working with children, adolescents, families, young adults, adults, and the mature adult population. Kristin started her career working with children, adolescents, and families in non-profit organizations focusing on victims of domestic violence, trauma, and abuse. This allowed her to work with children on the spectrum and adolescents diagnosed with mood disorders. Kristin has skills working with individuals suffering from acute psychiatric disorders and patients struggling with self-harm and chronic mental health issues. She has a background working with military and veterans that have struggles with addiction and Post-Traumatic Stress Disorder (PTSD). She helped develop and implemented an inpatient substance abuse rehabilitation program for military members. She has worked in integrative health settings with a multitude of different professionals to focus on the patient's needs and their personal scope of issues. Currently, Kristin is a Clinical Director of a counseling clinic specializing in working with DUI, Domestic Violence, and Anger Management offenders and supervises clinicians providing court ordered group and individual offender treatment. Kristin is a Certified Trauma Professional with training in Eye Movement Desensitization and Reprocessing (EMDR), Dialectical Behavioral Therapy (DBT), Mindfulness Based Stress Reduction (MBSR), and substance abuse and addiction.