Three Oaks Health is member of the Watertown Healthcare Physician Hospital Organization (PHO) which contracts with a number of insurers.  


Accepted insurers via our PHO

  • Aetna

  • Alliance

  • Choice Care (Humana)

  • CIGNA

  • Corvel

  • Dean

  • HealthEOS - Multiplan (select plans)

  • Humana

  • Molina (select plans)

  • HealthSmart

  • MercyCare

  • Physicians Plus

  • Security Health Plan

  • TRPN

  • Trilogy

  • Quartz/Unity

  • WEA

  • WPS

Other Contracted insurers

  • Blue Cross Blue Shield

  • Care Improvement Plus

  • Care Wisconsin

  • Managed Health Services

  • United Healthcare

  • Tricare

  • Medicare

  • Medicaid


If you do not see your insurance provider on the list please do not hesitate to contact us.