Staff

Jan Hamilton, CEO, Founder, 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!

Heather Hall, Chief Operating Officer

Heather obtained a B.S. degree 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.

Mark G. Sonenschein, PMHNP, Psychiatric Mental Health Nurse Practitioner

Mark received an associate in science in nursing and a bachelor of science in liberal studies with emphasis areas in psychology and business management from Excelsior College. He worked as a nurse in a variety of medical settings for over 20 years. Mark completed his Master of science degree in nursing from Wilkes University. Mark is a board certified psychiatric mental health nurse practitioner.  He enjoys working with adolescents, young adults and their families in order to promote optimal mental health. He is a native Arizonan and enjoys hiking and spending time with his family.  Mark is married, has an amazing wife, and three wonderful children. He considers it an honor to be working as part of the incredible team at Doorways.

McCall Campbell, LAC, Licensed Associate Counselor

McCall has worked in the mental health field 6 years. She has experience in community mental health, residential, and outpatient treatment programs. She received her Bachelor’s in Sociology from Arizona State University and her Masters in Professional Counseling from Grand Canyon University. McCall enjoys assisting adolescents and young adults as well as their families by promoting balance. When not at work, McCall is spending time with family, and her dog, Bella!

Jenna Daniel, LAC, Licensed Associate Counselor

Jenna received her Master’s in Clinical Mental Health Counseling from Northern Arizona University.  She has a passion for working with adolescents and young adults experiencing depression, stage of life challenges, anxiety, self-injury behavior, poor emotion regulation, past trauma, and interpersonal difficulties.  Jenna is trained in Cognitive Behavioral Therapy (CBT), Eye Movement Desensitization and Reprocessing (EMDR), Trauma- Focused Cognitive Behavioral Therapy (TF-CBT) and Dialectical Behavior Therapy (DBT) and uses a trauma informed approach to the treatment of adolescents and young adults.  She empowers her clients to uncover their true potential and lead a life that is worth living.

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.

Abigail Jones, LAC, Licensed Associate Counselor

Jason Klarer, LAC, Licensed Associate Counselor

Lindsey Millenbaugh, LPC, Licensed Professional Counselor

Lindsey Millenbaugh is a Licensed Professional Counselor with over nine years of experience working with adolescents and young adults struggling with substance use and other issues. She obtained her bachelor’s degree in Psychology from the University of Toledo and her master’s degree in Community Counseling from the University of Akron. She spent the first part of her career working with adolescents and young adults in Akron, Ohio. She moved to Arizona in the fall of 2018 to be closer to her family and continue her passion of working with youth.

Andy Schanen, LPC, Licensed Professional Counselor

Andy has been serving in the mental health field for approximately ten years in a variety of settings. He has served in community mental health, inpatient facilities, residential treatment centers and outpatient facilities. Former clients include children, adolescents, young adults, families and adults. Andy takes a collaborative approach and uses a variety of treatment methods including Cognitive Behavior Therapy, Dialectical Behavior Therapy and Motivational Interviewing to assist others in overcoming symptoms of anxiety, depression, poor emotion regulation and relationship issues. Andy earned his Master’s Degree in Professional Counseling from Grand Canyon University in 2011.

Nikki Schlundt, LPC, Licensed Professional Counselor

Nikki received her Master of Arts degree from Liberty University and is a Licensed Professional Counselor. She has worked with adolescents and their families for years through her time volunteering with Young Life and serving young people at Wheaton College. She also has years of experience in professional settings providing extensive, cross-cultural counseling services for behavioral and psychological issues brought on by abuse, neglect, mental illness, and co-occurring disorders. She draws upon a combination of therapeutic interventions that fit the needs of the individual. Nikki is the Clinical Lead for our Anxiety Intensive Outpatient Program.

Megan Schwallie, MSW, LCSW, Licensed Clinical Social Worker

Megan is passionate about celebrating and cultivating courage.  She specializes in treating OCD and anxiety disorders as well as frequently co-occurring conditions such as Body Focused Repetitive Behaviors, Tourette Syndrome, and other tic disorders.  Megan received her Masters in Social Work from the School of Social Service Administration at the University of Chicago in 2009. She has completed substantial post graduate training in her areas of expertise with the International OCD Foundation, the Trichotillomania Learning Center, and the Tourette Association of America.

Tara Villars, LAC, Licensed Associate Counselor

Tara is a licensed associate counselor with a Master of Education in clinical mental health counseling. She specializes in eating disorders, trauma, depression and anxiety.  She is a Certified Clinical Trauma Specialist (CCTS-I). Tara enjoys working with young adults and adolescents to achieve life and treatment goals. She offers a trauma-informed approach to a variety of treatment modalities, including: DBT (Dialectical Behavior Therapy), MI (Motivational Interviewing), CBT (Cognitive Behavior Therapy), and Existentialism. During sessions, Tara focuses on resilience, motivation, the Stages of Change, authenticity, and enthusiasm. When Tara is not working, she is enjoying time with her family and friends, live music, traveling, and many animals. She believes in the healing power of animal-friends and is training her own dog for AAT (Animal-Assisted Therapy).

Clare Waddicor, LAC, Licensed Associate Counselor

Clare is passionate about helping teens and young adults obtain balance, hope and joy in their lives. She received both her Bachelor’s in Psychology and Master’s in Professional Counseling (specializing in trauma, abuse and deprivation) from Ottawa University. Clare is trained in DBT (Dialectic Behavioral Therapy), Trauma Informed Therapy, CBT (Cognitive Behavioral Therapy) and is currently training in EMDR (Eye Movement Desensitization and Reprocessing). Clare has worked in outpatient and inpatient settings with teenagers and adults, and in community mental health as a child therapist. She specializes in eating disorders, substance abuse, trauma and mood disorders.

Jody Pannozzo, RD, Registered Dietitian

Ms. Pannozzo has over 20 years of experience in the field of Nutrition and Dietetics. She graduated from Ohio State University and served as the Sports Nutritionist and Dietitian for the Ohio State Athletic Department. Ms. Pannozzo has helped clients combat all types of Eating Disorders, in settings ranging from intensive inpatient to private practice. She has served as a guest speaker and expert for national conferences as well as print and television media. Over the last two decades, she has dedicated her career to offering education and support that encourages others towards a healthy relationship with food and an overall healthy and happy life. When she is not working, she is hiking, reading, doing yoga or cheering on the Ohio State Buckeyes with her beautiful family.

Jade Tyler, RD, Registered Dietitian

​Jade Tyler, Registered Dietitian, graduated from Arizona State University with her B.S. in Dietetics. She completed her dietetic internship with Iowa State University and is currently attending Plymouth State University pursuing a Masters in Eating Disorders. Jade has devoted her career to helping individuals affected by all eating disorders and disordered eating at both inpatient and intensive outpatient levels of care. Jade enjoys helping people identify the negative beliefs, emotions, and/or associations they have surrounding food, weight, and their body, and using nutritional interventions to respectfully and effectively guide them toward a healthy and loving relationship with food and themselves. 

Jason Ellis, Intern

Jason is a big believer in the unique beauty each young person has inside them.  He has spent the last 30 years in youth ministry in Arizona and Oregon. He has a heart for young people and families and longs to see them living life to the fullest.  He spends time in the outdoors as often as possible, has a recent growing love of pickleball and makes amazing pizza in his wood fired pizza oven at home. Jason is married, has 3 kids and is currently enrolled in the MFT program at the Phoenix extension of the Fuller campus.

Andrew Stravitz, Intern

Andrew is completing his Masters in Marriage and Family Therapy at Fuller Theological Seminary. He has been in ministry for ten years and worked with youth at various times.​ Andrew has coached youth basketball, football, weight lifting, and snowboarding. Andrew sees adolescence as a thrill of hope and adventure and believes the story of each youth has unbound dignity and complexity. Andrew enjoys time with his wife and small children.

Maddie McLean, Intern

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 grandchildren.

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.

Carmen Ortiz, Front Office Assistant

My Bio: Carmen is currently in school to get her B.S. in Healthcare Administration from GCU. She has 2 years of prior front office experience working in the dental field, however she is excited to be apart of the Doorways team. During her time off she enjoys spending time with her son, watching classic movies, cooking and literally anything to do with Jeff Goldblum.

Giulia Rayis, Front Office Assistant

Giulia recently received her Associates’ in Health Care Administration and aims to complete her B.S. at Pima Medical Institute. With over 3 years of healthcare related experience, Giulia enjoys creating long-lasting relationships with both patients and staff members. She began her career thriving in general office administration with growth in human resource and office management. When she is not working, she treasures her down time with family, friends, cooking and hiking.

Carlie McLeod, Outreach Coordinator

Carlie earned a B.S. degree in Community Health Education from the University of Wisconsin – La Crosse and went on to earn a M.S. degree in Occupational Therapy from the University of Wisconsin – Madison. She has over 5 years of experience working in several different clinical settings as an occupational therapist including early intervention, the hospital, an outpatient clinic and the school district. Carlie is passionate about helping individuals live life to the fullest, and with more meaning and independence through meeting their health and wellness goals. She is honored to be able to share and bring community wide awareness about the life changing services that Doorways has to offer. Carlie is married to an amazing husband and has a Labrador Retriever at home. When she is not working, she enjoys practicing yoga, being outdoors, reading and spending time with friends and family.