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Welcome to Big River Psychology!

Big River Psychology is a specialized clinic offering an array of services to support families that are seeking better understanding of psychologic, psychiatric, and genetic conditions.  We offer neuropsychological and psychological testing, Autism evaluations, psychiatric evaluations, medication management services, and medical genetics evaluations. 

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Drs. Nixon and Haugen are child psychologists who conduct psychological evaluations, including Autism evaluations. Dr. Heather Zaluski is a child psychiatrist offering psychiatric services and medication management to children, teens, and young adults.  Dr. Van Winkle is a neuropsychologist providing comprehensive neuropsychological evaluations to the adult population.  Dr. Sheehan is a family nurse practitioner who has specialized in genetics and provides medical genetics evaluations throughout the lifespan.

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​Big River Psychology also offers dyslexia remediation services. These 1-on-1 sessions are provided by a team of local teachers who have acquired additional training in dyslexia remediation. 

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Current Wait Times

We try to keep our wait times current, but for the most up-to-date estimations, we recommend that you call or text us at (406) 201-1717.

Dr. Zaluski - Psychiatric evaluations and medication management - approximately 4 to 6 weeks.  

Drs. Nixon and Haugen - Child psychological evaluations - 

Medicaid - 2 years

Private Insurance - 3 to 6 months

Private pay - 1 to 2 months

Private pay express - 2 to 3 weeks

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Dr. Van Winkle - Adult neuropsychological evaluations

Medicaid / Medicare - 6 months

Private insurance - 2 months

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Willow Sheehan, DNP, FNP-C - Medical Genetics Evaluations

Approximately one month

Current Patients

You can access the portal account you created below to review forms, check appointments, and login to telehealth appointments

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