Agassiz Associates is moving to 4700 South Washington Street, Suite G, Grand Forks, ND. Services at the new location will start on June 29, 2026.

Meet Our Team

From therapy and psychological assessments to addiction services and psychiatric medication management, our staff is here to support you on a path towards wellness.

Psychiatric Medication Management Providers

Nikki Anvinson, PA-C

Physician Assistant

Paula Osowski, PA-C

Physician Assistant

Patrick Goodman, M.D.

Psychiatrist

Licensed Psychologists

Dr. Carissa Malevich

Licensed Psychologist

Dr. Melissa Quincer

Licensed Psychologist

Dr. Brenda Barragan

Psychology Resident

Dr. Amanda Walkowiak

Psychology Resident

Substance Use Disorder Counselors

Jana Theisen, LCAC, LMSW

Director of Substance Use Disorder Programming

Cassie Campbell, LAC

Licensed Addiction Counselor

Marlys Fisher, LMAC

Licensed Addiction Counselor

Erin Lunski, LCAC, LBSW

Licensed Addiction Counselor

Cindy McMillan, LCAC

Licensed Addiction Counselor

Mental Health Counselors

Deb Davis, LPCC, LMAC

Licensed Counselor

Kim Miller, LPCC, LMAC

Licensed Counselor

Office Administration

Brandi

Business Administrator

Carey

Reception Manager

Kate

Office Staff

Melinda

Medical Records/ Office Staff

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Meet Our Team

Nikki Anvinson, PA-C

Paula Osowski, PA-C

Patrick Goodman, M.D.

Dr. Carissa Malevich

Dr. Melissa Quincer

Dr. Brenda Barragan

Dr. Amanda Walkowiak

Jana Theisen, LCAC, LMSW

Cassie Campbell, LAC

Marlys Fisher, LMAC

Erin Lunski, LCAC, LBSW

Cindy McMillan, LCAC

Deb Davis, LPCC, LMAC

Kim Miller, LPCC, LMAC

Brandi

Carey

Kate

Melinda

Contact Us

Hours

If you are in need of crisis services, go to https://myfirstlink.org/ click GET HELP NOW. You may also call 1-800-273-8255 (TALK) or dial 988 if in crisis.