One Health Clinics - Health Care and Benefits Division

One Health

No-Cost Services Available at Montana One Health Clinic Locations For State Plan Members

State Plan members have access to comprehensive health care at the following One Health clinics in Montana:

  • Miles City - New location, opens February 3, 2026
  • Glendive
  • Ashland
  • Chinook
  • Hardin - 2 locations: 1223 N. Center Ave and 16 N. Miles Ave. #101
  • Harlem
  • Lewistown

One Health clinics offer primary care and behavioral health for State Plan members and their families with no additional out-of-pocket cost.

Only services provided at the One Health Clinic have no out-of-pocket cost. Services provided by another facility or provider will apply to regular benefits, even if you are referred by a OneHealth provider.

Primary Care

  • Family Care
  • Physical Exams
  • Annual Wellness Exams
  • Women’s Health
  • Men’s Health
  • Well-Child
  • Family Planning
  • TeleHealth
  • Same Day Care
  • Standard Immunizations
  • DOT Physicals - select locations; call for availability

Behavioral Health

  • Depression
  • Anxiety
  • Stress
  • Coordination of Care between Behavioral Health and Primary Care
  • Substance Abuse Care with oversight from a Primary Care Provider

Lab services ordered by a One Health provider have no out-of-pocket expense. Outside provider lab orders are not accepted. To have labs drawn at One Health with no out-of-pocket expense, make an appointment with a One Health provider to have labs ordered.

Most immunizations are available for State Plan members 6 months of age and older including Medicare Retirees. If you only need a vaccine and no other services, please call the One Health Clinic of your choice for details. If you are an established patient, you may ask to add a vaccine when checking in for another scheduled One Health Clinic appointment.

State-Sponsored Health Screenings are not provided at One Health clinics. Premise Health (Montana Health Centers) remains the source for State-Sponsored Health Screenings. To earn the Live Life Well Incentive you will need to schedule an appointment at a Montana Health Center or attend an off-site event.

No copay or coinsurance for eligible prescription drugs prescribed by a One Health provider and dispensed by a One Health in-house pharmacy: Glendive, Hardin, Lewistown, and Miles City locations. Talk with your One Health provider to see if your medication is eligible for no- or reduced co-payment and/or co-insurance. Effective March 1, 2025, GIPs and GLP-1s are no longer covered by this benefit. These medications now must be filled using the Navitus pharmacy benefit.

For clinic locations without a pharmacy, One Health can mail prescriptions (non-controlled, non-refrigerated) directly to plan member. The regular copay and coinsurance applies for a prescription drug filled at the One Health pharmacy that is not prescribed by a One Health provider. Likewise, a prescription written by a One Health provider but filled by another community or hospital pharmacy will apply to regular benefits.

Please note that dental services are no longer available at any One Health Clinic location.

One-Health-Logo

Website: onechc.org

Eligible Locations

Hours and services vary by location

Ashland

501 Main Street
(406) 784-2346

Chinook

419 Pennsylvania Street
(406) 357-2294

Glendive

1515 W. Bell St, Unit E
(406) 815-5831

Hardin

1223 N. Center Ave.
(406) 665-4103

16 N. Miles Ave. #101
(406) 665-4103

Harlem

530 Central Ave W
(406) 353-4861

Lewistown

311 W. Main Street
(406) 535-6545

Miles City

New Location Opens February 3:
601 Main Street
(406) 874-8700

State Plan members may only access the One Health Services listed at Montana-based One Health Clinic locations.