Provider Demographics
NPI:1659442804
Name:HAHNSTADT, WILLIAM ARL (PHD)
Entity Type:Individual
Prefix:DR
First Name:WILLIAM
Middle Name:ARL
Last Name:HAHNSTADT
Suffix:
Gender:M
Credentials:PHD
Other - Prefix:
Other - First Name:
Other - Middle Name:
Other - Last Name:
Other - Suffix:
Other - Last Name Type:
Other - Credentials:
Mailing Address - Street 1:4850 SPURGIN RD
Mailing Address - Street 2:
Mailing Address - City:MISSOULA
Mailing Address - State:MT
Mailing Address - Zip Code:59804-4510
Mailing Address - Country:US
Mailing Address - Phone:406-549-9475
Mailing Address - Fax:
Practice Address - Street 1:4850 SPURGIN RD
Practice Address - Street 2:
Practice Address - City:MISSOULA
Practice Address - State:MT
Practice Address - Zip Code:59804-4510
Practice Address - Country:US
Practice Address - Phone:406-549-9475
Practice Address - Fax:
Is Sole Proprietor?:Yes
Enumeration Date:2006-11-10
Last Update Date:2020-08-24
Deactivation Date:
Deactivation Code:
Reactivation Date:
Provider Licenses
StateLicense IDTaxonomies
MT171103TR0400X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes103TR0400XBehavioral Health & Social Service ProvidersPsychologistRehabilitation
Provider Identifiers
StateIdentifier IDID TypeIssuer
MT0492999Medicaid
MT0492999Medicaid