Education & Certification

Licensed In

Graduated From
U No Dakota (1983)

National Register Member Since

Peter Williamson, PhD

I am a licensed psychologist, credentialed as a health service psychologist by the National Register of Health Service Psychologists, a nonprofit organization established in 1974. The National Register credential signifies adherence to the highest standards of professional practice. I provide psychological assessment and treatment along with other preventive and consultative services. For more information on my areas of expertise, ages served, and other practice details, please see below. For more information on the National Register, see Thanks for visiting my profile page!

Practice Characteristics

Areas of Expertise

  • Childhood and Adolescent Problems (e.g., ADHD, school/learning problems, social withdrawal, autism, recurrent abdominal pain, aggressive or oppositional behavior)
  • Medical Diagnosis Adjustment (e.g., diabetes, cancer, hypertension, weight issues, other chronic illness)

Ages Served

  • Infants (0-2 yrs.)
  • Children (3-12 yrs.)
  • Adolescents (13-17 yrs.)
  • Adults (18-64 yrs.)

Treatment Modalities

  • Social Learning

Insurance Plans

  • Medicare
  • Medicaid
  • Deancare
  • WEA Trust
  • WPS
  • Anthem BlueCross BlueShield
  • United Healthcare

Contact Information

Primary Contact

1313 Fish Hatchery Rd.
Madison, WI 53715
P: 608-294-6088 (Office)
F: 608-283-7193