Evergreen Psychological Services, LLC

1155 Parkway Dr., Ste. 200

Zionsville, IN 46077

(p) 317-520-4650

(f)  317-520-4660

For Life-Threatening Emergencies, Call 911 or the
Crisis & Suicide Intervention Service at  317-251-7575

© 2018 by Evergreen Psychological Services, LLC

Notice of Privacy Practices


Brett A. Presley, MD

Board Certified Psychiatrist

Brett A. Presley received his Bachelor of Science (BS) from Hillsdale College, and his Doctor of Medicine (MD) from Indiana University School of Medicine in 1993. Dr. Presley completed his psychiatry residency at Indiana School of Medicine in 1997, working with a variety of populations. Dr. Presley has worked in diverse settings, including inpatient hospitals, outpatient clinics, pharmaceutical research, crisis units, Suboxone clinics, outpatient substance abuse, and medical inpatient.  Dr. Presley has held numerous leadership positions including medical director of an inpatient unit, as well as associate medical director for a large community mental health center.  Dr. Presley has supervised APN’s, psychiatry residents, medical residents, physician assistants, and psychotherapists.  He is a Board Certified Psychiatrist by the American Board of Psychiatry and Neurology.  Dr. Presley provides medication management and psychoeducation starting at age 17 and spanning the lifespan. 
Dr. Presley works extensively in treating people suffering from opioid dependence, and is accepting a limited number of clients into medically-assisted treatment (MAT) for this epidemic problem.  Clients enrolled in MAT at Evergreen Psychological Services, LLC will attend both weekly individual substance dependence therapy sessions with a licensed addictions therapist, and attend regular sessions with Dr. Presley to manage medications to comfortably overcome their dependence on opioids and get their lives back on track.  Dr. Presley specializes in the treatment of co-occurring mental health conditions, such as anxiety and depression, that often accompany opioid dependence.  Without proper treatment of co-occurring conditions, long-term recovery from addiction is rarely successful.  He is currently accepting new clients.
Areas of Special Interest
  • Depression

  • Anxiety

  • Adult ADHD

  • Mental Health in Persons with HIV/AIDS

  • LGBT Issues

  • Chronic and Serious Mental Illness

  • Schizophrenia and Other Psychotic Disorders

  • Substance Use Disorders

  • Opioid Treatment

Kelly C. Young, PsyD., HSPP

Kelly C. Young received her Bachelor of Arts (BA) in psychology from Miami University, her Master of Arts (MA) in clinical psychology from the University of Dayton, and her PsyD. from the University of Indianapolis in September 2008.  Dr. Young completed her doctoral internship in New York City, where she worked in a community mental health center that specialized in the long term treatment of adults and children from a psychodynamic perspective.  Clinically, Dr. Young has interests in working with people who have character pathology, identity issues, and have experienced trauma.  She provides psychological assessment for learning disabilities, emotional disorders, personality, and behavior disorders.

Areas of Special Interest
  • Psychodynamic Therapy of Adults

  • Identity and Relational Disorders

  • Domestic Violence and Trauma

  • Psychological Assessment

Susan Galford, Ph.D., HSPP, NCSP

Susan L. Galford is a licensed clinical psychologist (HSPP), nationally certified school psychologist (NCSP), and licensed teacher (grades K-6) in Indiana. She received her BA in elementary education from Purdue University, M.Ed. and Ed.S. in School Psychology from Indiana State University, as well as her M.S.Ed. in Learning and Developmental Sciences, and her Ph.D. in School Psychology from Indiana University. Dr. Galford has over 12 years of experience working in the school setting as a classroom teacher and school psychologist. She has also worked with youth, adolescents, and families in a multitude of mental health contexts, including residential programs, hospitals, community mental health centers, universities, and private practice. Her practice includes providing psychotherapy and psychological assessment to children and adolescents, as well as expertise in autism spectrum disorders, special education, and specific learning disabilities.

Areas of Special Interest
  • Psychological Assessment with Children and Adolescents

  • Child and Adolescent Therapy

  • Group Therapy

  • Autism Spectrum Disorder

  • ADHD

  • Specific Learning Disabilities

  • Special Education

Stephanie L. Drescher, PsyD., HSPP

Stephanie L. Drescher graduated from Manhattanville College in Purchase, New York with a bachelor’s degree in English, and a minor in psychology.  After obtaining her undergraduate degree, Dr. Drescher moved to Indiana and pursued a Master’s degree in Counseling Education from IUPUI and began providing individual therapy, as well as addiction recovery groups, for individuals involved with the legal system. Dr. Drescher received her Doctorate in Psychology from the University of Indianapolis.  Since graduation, she has worked in multiple different settings and with a wide range of populations.  As a psychologist in a college counseling center, Dr. Drescher gained experience helping young adults navigate major life changes and serious mental health concerns, and she also learned the importance of family interactions and helping parents to support their children into successful adulthood.  As a correctional psychologist in a maximum security prison, Dr. Drescher developed and instituted programs to educate and guide offenders into making better decisions.  Working with the geriatric population in nursing homes and rehabilitation centers, Dr. Drescher had the opportunity to treat individuals with a wide range of difficulties such as dementia, psychosis, and mood disorders.  She gained an appreciation for the gravity of end of life questions, and the progression from fear to acceptance of the brevity of life. Throughout her clinical practice, Dr. Drescher has found that individuals most often benefit from recognizing where their strengths lie, and working towards improving their skills in the areas that are preventing them from living the full life they want to live.  She is a proponent of the idea that the individual is his/her/their own expert, and her role is to help the person to identify what they are willing to do in order to achieve their personal goals. 

Areas of Special Interest

  • Therapy With Adolescents (14+) Through Geriatric Populations

  • Depression 

  • Anxiety

  • Psychosis

  • Personality Disorders

  • Eating Disorders (over-eating, binge eating, and body acceptance)

  • Psychological Assessment with Adolescents and Adults

Colin M. Rak-Dietz, Ph.D., HSPP

Colin M. Rak-Dietz received his Bachelor of Arts (BA) from Lewis and Clark College in Portland, OR and his Masters of Arts (MA) in clinical psychology and Ph.D. from California School of Professional Psychology in San Francisco, CA. Dr. Rak-Dietz completed his doctoral internship at Butler University Consortium where he worked at Butler University Counseling and Consultation Services and a local community mental health clinic. He completed his post-doctoral fellowship at University of California at Santa Cruz Counseling and Psychological Services. Throughout his career, he has worked in high school, university, community mental health, and veterans’ affairs settings, which enabled him to address a wide array of presenting concerns.  He has experience working with individuals across the lifespan, as well as couples and family work. His clinical approach is strengths-based and client-centered while utilizing techniques from evidence-based practices such as Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), and Acceptance and Commitment Therapy (ACT). His practice also includes providing psychological assessment for learning disabilities, emotional disorders, personality, and behavior disorders.


Areas of Special Interest

  • Therapy with Children (11+), Adolescents, and Adults

  • Psychological Assessment with Adolescents and Adults

  • Trauma

  • Gender and Sexuality

  • Grief and Loss

  • Self-harming Behaviors

  • Substance Use Disorders

  • Schizophrenia and Other Psychotic Disorders