Health Insurance that fits your needs.


Lutheran PreferredThree Rivers PreferredNorthwest Health PreferredLutheran Advanced
Administrative Services

Is MedPartners Administrative Services Your Claims Payer?

MedPartners Administrative Services (MPAS) is managed by MedPartners, a 50/50 joint venture between Lutheran Hospital and Three Rivers Medical Associates, an Independent Physician Association.

  • Member, Employers & Providers Login
  • Provider Network Inquiries
  • Important Forms
Administrative Services

Our Providers

These highly-regarded Preferred Provider Organizations service regional self-funded employers by offering a wide choice of quality physicians, facilities and ancillary services.


MedPartners offers a variety of services to our long-standing TPA partners in the local, state and regional markets. Our services include network management, utilization review and large case management.

Employer Directory

Need to know what employers utilize our networks? Network providers can click here to access current employer reports.