AARP Medicare Complete

AARP United Health Care Plans

Aetna

AIG

All Savers®

American National

Bankers Fidelity

Bankers Life and Casualty Company

Blue Cross Blue Shield

Blue Cross Blue Shield of Texas

Boon Chapman

CalPERS

Care Improvement Plus

CHAMPVA

Choice Care Network

Cigna

Colonial Penn

Community First Health Plans

Continental General Insurance Company

Core Source PPO

Coventry

Freedom Life

Gallagher Bassett

GEHA

Government Employee

Group & Pension Admin

Healthgram

HealthSmart

HEB

HEB RISK MANAGEMENT

HighMark

Humana

Loyal American Life Insurance Company

Mail Handlers Benefit Plan

Medical Mutual of Ohio

Medicare

Medicare Part B Texas

Medicare Railroad

Multiplan

Mutual of Omaha

National Association of Letter Carrier’s Health Benefit Plan (NALC)/Cigna

Omaha Insurance

Oscar

Oscar Health Insurance Co.

Pan American Life Insurance – PCHS

Physicians Health Choice

Physicians Mutual

Private Health Care Systems (PHCS) PPO

Samba

Secure Horizon Medicare Replacement

Secure Horizons

Sedgwick W/C

SENTINEL SECURITY LIFE INS

Standard Life and Accident Insurance Company

State Farm Group Medical & Ind Health Insurance Company

Texas Mutual

Texas True Choice

The Hartford

TransAmerica

Tricare For Life

UMR

United American Insurance Company

United Health Care

United Healthcare Medicare Solutions

USAA

WebTPA

WebTPA (through Aetna)

WellMed