·         AARP             

·         Aetna Healthcare / Aetna Medicare

·         Alta Health Strategies

·         Anthem BC/BS of Colorado

·         Banker's Life & Casualty

·         BC/BS (PPO, HMO, Traditional, Federal)

·         Beech Street Corp.

·         Benefit Plan Administrators

·         Casualty Management Network (Auto PIP)

·         Choice  Care Network

·         Cigna Health Plan

·         Cofinity

·         Colorado Access Advantage

·         Evercare

·         Fortis Benefits

·         GEHA (PPO)

·         Golden Rule

·         Great West Healthcare Health Management Network

·         HPO, Ltd. (Health Payors)

Guarantee

·         Humana - Choice Care

·         Humana Gold (Medicare Replacement)

·         Liberty Mutual

·         Medicare

·         Multiplan

·         National Provider Network, Inc.

·         PacifiCare  (PPO)

·         PHCS (Private Healthcare Systems)

·         Private HealthCare Systems

·         Railroad Medicare

·         Sloan's Lake

·         State Farm

·         Three Rivers Network

·         Tricare (Standard, Prime, For Life)

·         United HealthCare

·         United Medical Alliance

·         USA Managed Care Organization