William Nichelson, PhD

Provider Type: Psychologist

Serving: Adult

William Nichelson, PhD

Dr. Nichelson treats patients starting 22 years old.

Dr. Nichelson is a Licensed Clinical Psychologist in the Commonwealth of Virginia, and earned his Ph.D. in Counseling Psychology from the University of Tennessee. His clinical experience includes working as the PTSD and Substance Use Disorder psychologist for a Veteran Affairs Medical Center, and a staff psychologist in university counseling centers. He has received advanced training in Emotion Focused Therapy, along with therapies designed to treat PTSD. He has extensive experience helping clients with anxiety, depression, trauma, PTSD, disordered eating and body image concerns, relationship issues, couples counseling, LGBTQ concerns, men’s issues, OCD, and ADHD. He enjoys working with adults of all ages, including active-duty military/veterans and their families.

Dr. Nichelson emphasizes a collaborative approach to treatment, recognizing that each therapy experience will be most effective when uniquely tailored to the client’s individual needs and strengths. By providing an environment of safety, acceptance, validation, and trust, he creates the conditions for a healthy relationship that enhances and fosters the growth and well being of his clients. He draws from a variety of therapeutic approaches including Cognitive Behavioral Therapy (CBT), Emotion Focused Therapy (EFT), Interpersonal Process Therapy (IPT), Cognitive Processing Therapy (CPT), and Prolonged Exposure (PE). Additionally, he views his clients through a multicultural lens in order to understand the impact of personal and cultural values. Prior to beginning his education and training as a psychologist, he completed a B.S. in Computer Science and Mathematics at the University of Oregon and worked as a software engineer.


  • Adolescent/Teen Issues
  • Agoraphobia
  • Anger Management
  • Anxiety
  • Behavioral Therapy
  • Bereavement/Grief Counseling
  • Binge Eating
  • Borderline Personality Disorder (BPD)
  • Bullying
  • Cognitive Behavioral Therapy (CBT)
  • Cognitive Therapy
  • Couples Conflict Resolution
  • Cultural Diversity Issues
  • Depression
  • Eating Disorder
  • Emotional Overeating
  • Gender Dysphoria
  • Hyperactive Disorder (ADD/ADHD)
  • Irrational Fears/Phobias
  • Loneliness
  • Malaise
  • Marriage Conflict Resolution
  • Marriage Counseling
  • Mental Health Consultation
  • Mental Health Problem
  • Mental Illness
  • Mood Disorders
  • Mood Swings
  • Obsessive Compulsive Disorder (OCD)
  • Panic Attack
  • Parenting Counseling
  • Phobia
  • Post-Traumatic Stress Disorder (PTSD) Counseling
  • Pre-College Fears
  • Pre-Move In Couples Counseling
  • Premarital Conflict Resolution
  • Premarital Counseling
  • Psychological Trauma
  • Psychology Consultation
  • Psychotherapy
  • Relationship Counseling
  • Relationship Struggles
  • Separation Anxiety
  • Sleep Disorder
  • Sleep Problems
  • Social Anxiety
  • Stress
  • Stress Management
  • Therapy
  • Worry

Education & Certifications

  • PhD in Counseling Psychology from University of Tennessee
  • Bachelor's from University of Oregon


Mechanicsville, VA
9202 Center Oak Court
Mechanicsville, VA 23116-2744
Let’s talk about your
specific needs.