JOSEPH JAMES JOSLYN PA
NPI 1427083948
Physician Assistant - Medical in Great Falls, MT

Active since July 12, 2006PECOS EnrolledAccepts Medicare Assignment
601 1ST AVE N, GREAT FALLS, MT 59401(406) 454-6973(406) 791-9277 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 20, 2024, May 10, 2024, Apr 3, 2024 and 5 more (8 updates tracked since 2015).

About Joseph James Joslyn Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSEPH JAMES JOSLYN PA (NPI 1427083948) is an individual medical provider in Great Falls, Montana, licensed in Montana (MED-PAC-LIC-453) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1427083948
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameJOSEPH JAMES JOSLYNCredential: PA
Location Address601 1ST AVE NGreat Falls, MT 59401-2510
Mailing Address601 1st Ave NGreat Falls, MT 59401-2510 · (406) 454-6973 · Fax (406) 791-9277
Fax(406) 791-9277
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 12, 2006
Last NPPES UpdateOctober 1, 20258 updates tracked since enumeration
NPPES CertifiedOctober 1, 2025
NPI 1427083948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in MT · MED-PAC-LIC-453
601 1ST AVE N, Great Falls, MT 59401

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Joseph James Joslyn Pa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153414495
PECOS Enrollment IDI20110713000091
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270012
Location1101 26th St SGreat Falls, MT 59405 · Cascade County
Emergency services Birthing friendly

Great Falls Clinic Hospital

Acute Care Hospitals · Great Falls, MT
5/5 CMS rating
OwnershipProprietary
CMS Certification Number270086
Location3010 15th Avenue SouthGreat Falls, MT 59405 · Cascade County
Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Physical Therapy)
601 1ST AVE N
GREAT FALLS, MT 59401
Counselor (Addiction (Substance Use Disorder))
601 1ST AVE N
GREAT FALLS, MT 59401
Counselor (Professional)
601 1ST AVE N
GREAT FALLS, MT 59401
Counselor (Addiction (Substance Use Disorder))
601 1ST AVE N
GREAT FALLS, MT 59401
Clinical Medical Laboratory
601 1ST AVE N
GREAT FALLS, MT 59401
Registered Nurse (Community Health)
601 1ST AVE N
GREAT FALLS, MT 59401
Counselor (Addiction (Substance Use Disorder))
601 1ST AVE N
GREAT FALLS, MT 59401
Physician Assistant (Medical)
601 1ST AVE N
GREAT FALLS, MT 59401

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Joslyn's NPI number?

The NPI number for Joseph Joslyn is 1427083948. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is Joseph Joslyn located?

Joseph Joslyn practices at 601 1st Ave N, Great Falls, MT 59401. The listed phone number is (406) 454-6973.

What is Joseph Joslyn's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Joseph Joslyn enrolled in Medicare?

Yes. Joseph Joslyn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Joseph Joslyn accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Joseph Joslyn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph Joslyn affiliated with any hospitals?

According to CMS data, Joseph Joslyn is affiliated with Billings Clinic, Benefis Hospitals Inc and Great Falls Clinic Hospital.

When was this NPI record last updated?

The NPPES record for Joseph Joslyn was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.