TPA Self Help

Effective 1/1/25 Parkview Physician Group and any remaining Parkview Community Hospitals will be out of network for Lutheran Preferred and Three Rivers Preferred. Contact our special dedicated phone line to switch your physician to an in network provider. Call 260-416-5962 to find a physician that works for you. 

Welcome to MedPartners Administrative Services. 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. 

Members click here to login

Employers click here to login

Providers click here to login

Important forms:

Accident Questionnaire

Coordination Of Benefits Questionnaire

Claim Form

Consent Form

Pre-certification Request Form

Pre-Determination Request Form

For provider network inquiries, please visit one of the sites below. Please refer to your medical ID card for the correct logo.

Lutheran Preferred  

PHCS Premier Care Northwest

First Choice Health Plan