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Mental Health Therapists in West Fargo, ND

Doctorate-Level Therapists | Evidence-Based Treatments | Most Insurance Accepted

Doctorate-Level Therapists

Evidence-Based Treatments

Most Insurance Accepted

This is a placeholder for the Yext Knolwedge Tags. This message will not appear on the live site, but only within the editor. The Yext Knowledge Tags are successfully installed and will be added to the website.

Now Offering

Mental Health Services for Children and Adolescents

Comprehensive ADHD evaluation and treatment

Knowlton, O’Neill, and Associates are excited to welcome services for children and adolescents! Dr. Cassandra Matejka has immediate openings for children aged 4 to 18, and for evaluation of ADHD for children and adults. Call the clinic to find out to learn more, and to determine whether Dr. Matejka’s services are covered by your insurance.

Request an Initial Appointment

COVID-19 Risk Mitigation Practices

Our clinic is currently open, though we ask that you do not come in if you have symptoms or have been exposed to COVID-19. The safety of our community is our utmost priority, and we are monitoring the situation and taking extra precautions to comply with guidelines established by the Center for Disease Control and Prevention (CDC).


Though this may impact some of our service options, Knowlton O'Neill & Associates PC remains committed to continuing to provide core services and care for our clients. Please work with your provider to discuss any necessary changes to your appointments or services. Read more about our COVID-19 precautions here.

Rely on Our Experienced Therapists to Provide Excellent Mental Health Care

Expanding Your Possibilities

Knowlton O'Neill & Associates PC is an independent mental health clinic that provides psychological services. Our professionally trained staff can put together a comprehensive service plan with an emphasis on a variety of mood and behavioral disorders.


Our mission is to provide the highest quality mental health services in a relaxed, respectful environment. Confidentiality and the provision of expert care is our utmost concern. Call our clinic at (701) 364-0060 today to schedule an appointment.

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Our Team Is Here to Help

Our team is dedicated to providing you with quality mental health care. This includes therapy for the following:


Depression, anxiety, and other mood disorders

Stress and trauma-related concerns

Hoarding

Counseling for relationships

Behavioral medicine

Bariatric surgery

Psychological testing

Sexual health


Knowlton O'Neill & Associates PC is a participating partner with BCBSND, BCBSMN, and other third-party payers.


We are on the panels of most insurance networks. We also accept Medicare as well as North Dakota and Minnesota medical assistance.

Learn More

Now Offering

Mental Health Services for Children and Adolescents

Comprehensive ADHD evaluation and treatment


Knowlton, O’Neill, and Associates are excited to welcome services for children and adolescents! We have immediate openings for children aged 4 to 18, and for evaluation of ADHD for children and adults. Call the clinic to find out to learn more.

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