Psychologist | Rehabilitation Psychology

Dr. William Arl Hahnstadt, PH.D.

4850 Spurgin Rd, Missoula, Montana, 59804-4510

About Dr. William Arl Hahnstadt

Dr. William Arl Hahnstadt is a psychologist based in Missoula, Montana who is specialized in Rehabilitation Psychology. Active license number of Dr. William Arl Hahnstadt is 171 for Rehabilitation Psychology in Montana. His current practice location is 4850 Spurgin Rd, Missoula. Patients can contact him at 406-549-9475. Dr. William Arl Hahnstadt, PH.D., specializes in Rehabilitation Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1659442804.

Dr. William Arl Hahnstadt is uniquely trained and specialized to engage in a broad range of activities including clinical practice, consultation, program development, service provision, research, teaching and education, training, administration, and development of public policy and advocacy related to persons with disability and chronic health conditions. He focuses on treating individuals dealing with disabilities and problems that make living normal lives difficult.
Rehabilitation psychologist can treat mental or emotional conditions, including things like depression, anxiety, developmental disabilities, and learning disabilities. Other problems that rehabilitation psychologists can treat are physical, such as addiction or chronic pain, and they might also be congenital or acquired.

Practice Information

Dr. William Arl Hahnstadt'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. William Arl Hahnstadt
Specialization Rehabilitation Psychology
Credentials PH.D.
Gender Male
Practice Address: 4850 Spurgin Rd,
Missoula, MT - 59804-4510

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 Number1659442804
NPI Enumeration Date: 10 Nov, 2006
NPI Last Update On: 24 Aug, 2020

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. William Arl Hahnstadt are as mentioned below.

License NumberSpecializationStateStatus
171Rehabilitation Psychology MontanaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. William Arl Hahnstadt such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0492999MedicaidMontana

Mailing Address

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

Dr. William Arl Hahnstadt
4850 Spurgin Rd,
Missoula, MT - 59804-4510
Phone: 406-549-9475

Book an Appointment with Dr. William Arl Hahnstadt

To schedule an appointment, contact Dr. William Arl Hahnstadt at 4850 Spurgin Rd, Missoula, Montana or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Arl Hahnstadt:

Dr. William Arl Hahnstadt is a psychologist specializing in Rehabilitation Psychology. He is uniquely trained and specialized to engage in a broad range of activities including clinical practice, consultation, program development, service provision, research, teaching and education, training, administration, and development of public policy and advocacy related to persons with disability and chronic health conditions. He focuses on treating individuals dealing with disabilities and problems that make living normal lives difficult.
Rehabilitation psychologist can treat mental or emotional conditions, including things like depression, anxiety, developmental disabilities, and learning disabilities. Other problems that rehabilitation psychologists can treat are physical, such as addiction or chronic pain, and they might also be congenital or acquired.

Yes, Dr. William Arl Hahnstadt 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. William Arl Hahnstadt practices at 4850 Spurgin Rd, Missoula, Montana, 59804-4510.

To schedule an appointment with Dr. William Arl Hahnstadt, please contact the office at 406-549-9475.

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