Active NPI
Joseph James Joslyn, PA
- Medical Physician Assistant
- Great Falls, MT
National Provider Identifier
1427083948
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- MED-PAC-LIC-453
- Practice address
- 601 1St Ave N
Great Falls, MT 59401-2510 - Phone
- (406) 454-6973
- Fax
- (406) 791-9277
- NPI assigned
- Jul 12, 2006
- 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 |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | MED-PAC-LIC-453 | MT | Primary |
Addresses
Primary practice location
601 1St Ave N
Great Falls, MT 59401-2510
Mailing address
601 1St Ave N
Great Falls, MT 59401-2510
Phone (406) 454-6973
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
115 4TH St S
Great Falls, MT 59401-3618
Phone (406) 454-6973
601 1St Ave N
Great Falls, MT 59401-2510
Phone (406) 454-6973
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frances Mahon Deaconess Hospital | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Federally Qualified Health Center (FQHC)
- Great Falls, MT
- NPI 1902948946
-
- Critical Access Hospital
- Glasgow, MT
- NPI 1689685323
Hospital & facility affiliations 12
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Great Falls, MT
- NPI 1881650737
-
- General Acute Care Hospital
- Bozeman, MT
- NPI 1215660840
-
- General Acute Care Hospital
- Billings, MT
- NPI 1265478291
-
- General Acute Care Hospital
- Great Falls, MT
- NPI 1639109978
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152662400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759276800000",
"number": "1427083948",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 1ST AVE N",
"city": "GREAT FALLS",
"state": "MT",
"postal_code": "594012510",
"telephone_number": "406-454-6973",
"fax_number": "406-791-9277"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "601 1ST AVE N",
"city": "GREAT FALLS",
"state": "MT",
"postal_code": "594012510",
"telephone_number": "406-454-6973",
"fax_number": "406-791-9277"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOSLYN",
"first_name": "JOSEPH",
"middle_name": "JAMES",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-12",
"last_updated": "2025-10-01",
"certification_date": "2025-10-01",
"status": "A"
},
"taxonomies": [
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "MT",
"license": "MED-PAC-LIC-453",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Great Falls, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.