Active NPI
Matthew Martin Croxton, PHD
- Psychologist
- Missoula, MT
National Provider Identifier
1982531869
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- PSY-PSY-LIC-6152
- Practice address
- 830 W Central Ave
Missoula, MT 59801-7931 - Phone
- (406) 829-9515
- Fax
- (406) 540-4374
- NPI assigned
- May 6, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychologist | 103T00000X | PSY-PSY-LIC-6152 | MT | Primary |
Addresses
Primary practice location
830 W Central Ave
Missoula, MT 59801-7931
Mailing address
830 W Central Ave
Missoula, MT 59801-7931
Phone (406) 829-9515
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PSY-PSY-LIC-6152 | MT | MD | Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778025600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778025600000",
"number": "1982531869",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "830 W CENTRAL AVE",
"city": "MISSOULA",
"state": "MT",
"postal_code": "598017931",
"telephone_number": "406-829-9515",
"fax_number": "406-540-4374"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "830 W CENTRAL AVE",
"city": "MISSOULA",
"state": "MT",
"postal_code": "598017931",
"telephone_number": "406-829-9515",
"fax_number": "406-540-4374"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CROXTON",
"first_name": "MATTHEW",
"middle_name": "MARTIN",
"name_prefix": "Dr.",
"credential": "PHD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-05-06",
"last_updated": "2026-05-06",
"certification_date": "2026-05-06",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MT",
"license": "PSY-PSY-LIC-6152",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Missoula, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.