Provider Demographics
NPI:1497631832
Name:OLDCHIEF, XAVIER
Entity type:Individual
Prefix:MR
First Name:XAVIER
Middle Name:
Last Name:OLDCHIEF
Suffix:
Gender:M
Credentials:
Other - Prefix:
Other - First Name:
Other - Middle Name:
Other - Last Name:
Other - Suffix:
Other - Last Name Type:
Other - Credentials:
Mailing Address - Street 1:PO BOX 2224
Mailing Address - Street 2:
Mailing Address - City:BROWNING
Mailing Address - State:MT
Mailing Address - Zip Code:59417-2224
Mailing Address - Country:US
Mailing Address - Phone:406-845-6606
Mailing Address - Fax:
Practice Address - Street 1:503 POPIMI ST
Practice Address - Street 2:
Practice Address - City:BROWNING
Practice Address - State:MT
Practice Address - Zip Code:59417-5315
Practice Address - Country:US
Practice Address - Phone:406-338-7912
Practice Address - Fax:
Is Sole Proprietor?:No
Enumeration Date:2025-08-12
Last Update Date:2025-08-12
Deactivation Date:
Deactivation Code:
Reactivation Date:
Provider Licenses
StateLicense IDTaxonomies
MTBBH-ACL-LIC-50588101YA0400X
MTBBH-SWLC-LIC-49499101YM0800X
Provider Taxonomies
Primary?CodeTypeClassificationSpecialization
Yes101YM0800XBehavioral Health & Social Service ProvidersCounselorMental Health
No101YA0400XBehavioral Health & Social Service ProvidersCounselorAddiction (Substance Use Disorder)