Psychologist | Clinical Psychology

Dr. Aaron Grusonik

3687 Veterans Dr, Fort Harrison, Montana, 59636-9700

About Dr. Aaron Grusonik

Dr. Aaron Grusonik is a psychologist based in Fort Harrison, Montana who is specialized in Clinical Psychology. Active license number of Dr. Aaron Grusonik is PSY-PSY-LIC-5876 for Clinical Psychology in Montana. His current practice location is 3687 Veterans Dr, Fort Harrison. Patients can contact him at 408-482-0323. Dr. Aaron Grusonik NPI number (Unique professional ID assigned by NPPES) is 1326908526.

Dr. Aaron Grusonik is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Aaron Grusonik's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Aaron Grusonik
Specialization Clinical Psychology
Gender Male
Practice Address: 3687 Veterans Dr,
Fort Harrison, MT - 59636-9700

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1326908526
NPI Enumeration Date: 12 Nov, 2025
NPI Last Update On: 12 Nov, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Aaron Grusonik are as mentioned below.

License NumberSpecializationStateStatus
PSY-PSY-LIC-5876Clinical Psychology MontanaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Aaron Grusonik
1240 E 9th St # 1907,
Cleveland, OH - 44199-9904
Phone: 408-482-0323

Book an Appointment with Dr. Aaron Grusonik

To schedule an appointment, contact Dr. Aaron Grusonik at 3687 Veterans Dr, Fort Harrison, Montana or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Aaron Grusonik:

Dr. Aaron Grusonik is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Aaron Grusonik is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Aaron Grusonik practices at 3687 Veterans Dr, Fort Harrison, Montana, 59636-9700.

To schedule an appointment with Dr. Aaron Grusonik, please contact the office at 408-482-0323.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.