At Doorways, our team approach to teen and young adult mental health treatment gives us the opportunity to allow for collaboration between psychiatric providers, counselors and dietitians in order to offer the best possible treatment for adolescents and young adults.
Every provider at Doorways offers a unique specialty in their training and experience to meet the needs of clients and families. Each of our staff is dedicated to the specialized needs of this age group and committed to compassionate understanding of their culture and struggles. Many of our providers take insurance. Please call for availability.
Jan Hamilton, MS, PMHNP-BC, CEDS, Psychiatric Nurse Practitioner
Jan Hamilton is the Founder and Owner of Doorways. She is a Nationally Board Certified Psychiatric Nurse Practitioner who specializes in adolescent treatment. Jan worked as a registered nurse for 20 years prior to receiving her Master’s degree in Nursing from the University of Arizona and her Psychiatric Nurse Practitioner certification in 1999. Her desire to provide quality psychological and psychiatric care for adolescents and young adults in an outpatient, faith-based setting led to the opening of Doorways in 2008. She’s thrilled about the opportunity for teens, young adults and families to receive the best care possible on their journey of healing!
Dr. David Wall, Ph.D., CEDS, Psychologist
David Wall is a Licensed Psychologist with a PhD from California School of Professional Psychology. He completed his internship at the University of California at Berkeley. He also received his Masters of Divinity from Fuller Seminary. Dr. Wall was Director of Psychology at Remuda Ranch for almost 20 years, treating girls and women with eating disorders. He is certified by the International Association of Eating Disorder Professionals as well as the International OCD Foundation. He has presented at national conferences, published articles in scientific journals and co-authored/edited a book on eating disorders.
Dr. David Yee, Psy.D., Psychologist
David earned his doctorate degree in clinical psychology from Argosy University. He has worked in a variety of clinical settings with adolescents and young adults and was also a youth pastor for ten years. David uses a combination of cognitive behavioral therapy (CBT) and family systems therapies to assist teens and their families through the healing process.
Dr. Rachael Grantham, Psy.D.
Rachael earned her doctorate degree in clinical psychology from Midwestern University. She has worked for the past 5 years in a variety of settings, both at inpatient and outpatient levels of care, treating children, adolescents and their families. Rachael has a passion for supporting adolescents through difficult transitions in order to live a more fulfilling life aligned with their passions and values. She utilizes a combination of solution-focused, acceptance commitment, and cognitive behavioral therapy to help individuals with depressed or anxious mood, traumatic experiences, eating disorders, and parent-child relational issues.
Dr. Brad Zehring, Psychiatrist
Dr. Brad Zehring is a Psychiatrist who earned his D.O. degree from Arizona College of Osteopathic Medicine at Midwestern University. He completed his psychiatry residency program at University of Arizona College of Medicine – Phoenix campus. He has a passion for treating patients with eating disorders, mood disorders, anxiety disorders, and ADHD. He enjoys getting to know his patients and partnering with them as they seek physical and mental health.
Marian Humphries, LPC Licensed Professional Counselor
Marian graduated from Northern Arizona University in 1995 with a Master’s degree in education and received her Master’s certificate in Counseling from Ottawa University in 1997. She has worked with children and their families for over 15 years, providing services individually as well as in schools, homes and group homes. She also has provided supervision for master’s level interns for the past ten years. Marian has a passion for counseling adolescents and young adults dealing with issues of anxiety, depression, attention and behavioral problems.
Rich Killen, LAC, Licensed Associate Counselor
Rich has Masters degrees in Mental Health Counseling and Sport and Exercise Psychology from Argosy University-Phoenix. He has worked with families and at-risk youth and has also worked within a Partial Hospitalization Program for individuals struggling with addiction. In addition to this experience he has also worked with athletes and other individuals interested in improving their performance and success in life, school, and their careers. Rich has a passion for people and helping them achieve their goals.
Stephanie Otte, LAC, Licensed Associate Counselor
Stephanie graduated with her Masters of Counseling from Arizona State University. Stephanie has worked with adolescents and young adults for eight years tutoring, mentoring, and on staff/ volunteering with Young Life. Stephanie specializes in topics such as anxiety, self-esteem, depression, anger management, trauma abuse and recovery, and conflict-resolution. Stephanie is a Licensed Associate Counselor with Doorways and works primarily with the OCD/Anxiety and DBT Intensive Outpatient Programs.
Stefanni Peters, MSPC, LAC, Licensed Associate Counselor
Stefanni graduated with her Masters of Counseling from Grand Canyon University. Stefanni has worked with adolescents and young adults in IOP, PHP, and outpatient settings. Stefanni specializes in topics such as anxiety, OCD, depression, eating disorders, conflict resolution, family communication, and self-harm. Stefanni is a Licensed Associate Counselor with Doorways and enjoys working with both individuals and families to support leading a fulfilling life.
Ilyssa Reading, LPC, Licensed Professional Counselor
Ilyssa received her Master’s in clinical mental health counseling at Arizona State University in 2013, and spent three years working primarily with adolescents and families within the community mental health system. Ilyssa specializes in the treatment of adolescents who suffer from eating disorders, substance abuse, depression, and anxiety, and has worked in both residential and outpatient settings. She is trained in EMDR and uses this intervention to treat those suffering from PTSD or other trauma-related disorders. Ilyssa utilizes cognitive behavioral therapy, dialectical behavior therapy (DBT), family systems model, and the Nurtured Heart approach to help adolescents and their families move through life’s challenges and take the necessary steps into recovery.
Jennifer Salas, LPC, NCC, Licensed Professional Counselor
Jennifer received her Master’s in Counseling from the University of Phoenix and her Bachelor of the Arts degrees in psychology and theology from Concordia University Chicago. She has worked with families, children, and teens engaging in destructive behaviors and with victims of trauma. She has received training in EMDR. Jennifer is fluent in written and conversational Spanish. She enjoys supporting families and individuals utilizing a systems perspective to incorporate the way the whole family functions together.
Megan Schwallie, MSW, LCSW, Licensed Clinical Social Worker
Megan received her Masters in Social Work from the School of Social Service Administration at the University of Chicago in 2009. She has worked as both an outpatient therapist and as a therapist within a Partial Hospitalization Program for children and adolescents. Megan is a Licensed Clinical Social Worker with Doorways and works primarily with the OCD/Anxiety Intensive Outpatient Program.
Sarah VanHolland MC, LPC, Licensed Professional Counselor
Sarah received her Master’s in Counseling from Arizona State University in 2007. She is bilingual in Spanish and spent over four years providing counseling services to adolescents and families within Arizona’s Medicaid program. Sarah has received extensive training in Dialectical Behavior Therapy (DBT) and works as the Clinical Lead of the DBT Skills IOP. She specializes in working with adolescents and young adults experiencing depression, anxiety, self-harm, poor emotion regulation, and relationship issues.
Bethany Dario RD, Registered Dietitian
Bethany Dario RD is a Registered Dietitian who graduated from Bluffton University majoring in Food and Nutrition with a concentration in Dietetics. She completed a clinical internship with The Cleveland Clinic. She has had specialized training in eating disorders and has treated anorexia, bulimia and compulsive eating in both inpatient and outpatient settings. Bethany has lead body image groups for the department of Psychology and sororities within Greek Life at The University of Texas at Austin.
Brina Jergenson, RD, Registered Dietitian
Brina Jergenson, RD, graduated from University of Minnesota – Twin Cities with a BS in Nutrition and Dietetics. She has specialized in eating disorders, sports nutrition, and food allergies since that time. Brina has worked with clients in inpatient, outpatient, and intensive day programs over the past 19 years. She recently received her Certificate of Training in Weight Management from the Academy of Nutrition and Dietetics. She enjoys being side by side with clients to gently help them make changes they need to enjoy a free and fully recovered life.
Kim Turille, LMFT Program Intern
Kim is currently a Master’s student in the Marriage and Family Therapy program at Fuller Theological Seminary. Kim works in Phoenix, coaches at an Olympic Weightlifting gym, and is a Sports Nutritionist. She has worked with adolescents and at-risk youth while volunteering for Young Life in Arizona and Washington the past 9 years, and is delighted to be an intern and part of the treatment programs at Doorways.
Chief Operations Officer
Heather Hall, Chief Operations Officer
Heather obtained a B.S. degrees in both Accounting and in Marketing from Black Hills State University. She has years of professional leadership experience in a variety of private, public, governmental and non-profit industries. She loves helping companies develop, coordinate and expand operations while accomplishing organization-wide goals. Heather is married and has two sons and is very excited to be a part of the amazing team at Doorways.
Trina Harper, Office Manager
Trina has over 25 years experience in office management services. She has been with Doorways since the beginning in 2008, and enjoys interacting with our patients and their families. Trina likes to spend her time entertaining family and friends, she enjoys the art of cooking and baking. She and her husband like to take in Diamondback games, and escape to the mountains to fly fish as often as they can. The role that she loves the most is being “Grammie” to her grandbaby Raegan.
Sarah Noto, IOP Coordinator
Sarah has been working in office environments for the past 8 years. She enjoys building relationships with the clients at Doorways and walking alongside them on their path to recovery. She longs to provide hope and healing to those in need. She recently changed positions at Doorways and is now the new IOP Coordinator. She enjoys taking her dog to the park, singing (frequently at her desk!), and hiking.