AARP
Accident Fund of Michigan
ACN  Group
Admar Corporation (Principal Life Ins. Co.)(PTPN/PHCS)
Administration, Inc. (EBPA)
Adventist Risk Management, Inc. (PHCS)
Aetna & Aetna Medicare Replacement Plan (Cofinity)
Affordable
AIG (PTPN)
AlignNetwork (PTPN)
Alliance Health & Life (PHCS)
Alliance Healthcard (PTPN)
Allied Benefit Systems, Inc. (PTPN/PHCS)
Allied Insurance (Cofinity)
Allstate Insurance Co. (Cofinity)
Altius Health Plans Admin (PHCS)
America Community Mutual Insurance Co. (PTPN/PHCS)
American Country Insurance (Cofinity)
American Fellowship (Cofinity)
American Insurance Co. of Texas (PTPN/PHCS)
American Maritime Officers Medical Plan (PTPN/PHCS)
American Medical Security Inc. (PTPN/PHCS)
American Postal Worker Union (PHCS)
American PPO (PTPN)
Americare Card Programs
America's Choice Health Plans (PHCS)
America's Health Plan (PTPN)
AmeriHealth Administrators (PTPN/PHCS)
AmeriHealth Insurance Co., Inc. and Comprehensive
AmeriPlan USA (PTPN)
Amerisure Insurance (Cofinity)
Ancillary Care Services (ACS) (PTPN)
Annuity Board of the So. Baptist Convention (PTPN/PHCS)
AssureCare Claims and Administrative Co. (PTPN/PHCS)
Auto Owners Insurance (Cofinity)
Bankers Life and Casualty Co. (PTPN/PHCS)
Bankers United Life Assurance Co (PTPN/PHCS)
Bass Pro Inc. (PHCS)
BCE Emergis (MultiPlan) (PTPN)
Beaulieu Group, LLC (PTPN/PHCS)
Beech Street (BCE) & (PTPN)
Benefit Administrator, Inc. (CBA Employee Professional)
Benefit Plan Management Inc. (PTPN/PHCS)
Benefit Planners LtD.L.L.P. (PTPN/PHCS)
Benesight (PTPN)
Best Life and Health Insurance Co. (PHCS)
Bituminour Insurance Companies (Cofinity)
Blue Care Network
Blue Choice
Blue Cross Blue Shield
Bridgestone Americas Holding, Inc. (PHCS)
Bristol Insurance & Bristol West Ins (Cofinity)
BWC (DORC, BED, EMPT only)
Care Choices(Priority Health)(Bedford & Wagner NOT w/ CC)
CBCA Administrators, Inc. (PHCS)
Choice Care Network (Humana/PPOM)
Choice One(PTPN)
Choice Plus (UHC)
Cigna (PTPN/PHCS)
Citizen Allmerica (Cofinity)
C.N.A. Health Partners (PTPN)
CNIC Health Solutions (PHCS)
Cofinity (formerly PPOM)
Community Care Assoc Inc(WayneCoHealthChoice)
Comprehensive Care Services Inc. (PHCS)
ConnectCare
Continental Assurance Co. (PTPN/PHCS)
Continuous Care (PTPN)
Cooperative Health Network(NOT Herrlinger, Wag, EMPT)
Corvel/CORCARE PPO (PTPN)
Country Companies (Cofinity)
Covenant Companies (PTPN)
Coventry Health Care (Omnicare)
Cuna (Cofinity)
David Morse & Associates (Cofinity)
Definity Health Corporation (PTPN/PHCS)
Devon Health Services (PTPN)
Discount Tire (PTPN)
Diversified Administration Corp. (PHCS)
Employee Benefit Management Corp. (PHCS)
Employee Group Services (EGS) (PHCS)
Encompass (Cofinity)
Evolutions Healthcare Systems (PTPN)
Farm Bureau Insurance (Cofinity)
Farmers Insurance Group (Cofinity)
First Allmerica Financial Life (PTPN/PHCS)
First Health (CCN) (PTPN)
Focus Healthcare (PTPN/PHCS)
Formost Insurance Company (Cofinity)
Fortified Provider Network (FPN)(PTPN)
Fortis, Inc. (PTPN/PHCS)
Founders Insurance (Cofinity)
Foundation Health Medical Resource (PTPN)
Frankenmuth Mutual (Cofinity)
Fremont Mutual Insurance (Cofinity)
Frontpath (formerly WLEC)
Galaxy Health Network (PTPN)
Geico Insurance (Cofinity)
General American Life Insurance (PTPN/PHCS)
Gilsbar Inc. (PHCS)
GMAC (Cofinity)
Great Lakes Health Plan
Great West Health Care (PTPN)
GE Financial Assurance (PTPN/PHCS)
Group Advantage (Cofinity)
Guardian Life Insurance Co. of Amer (PTPN/PHCS)
Guardian (PTPN)
HAP
H.H.C. Group (PTPN)
HIH American (PTPN)
Hartford Auto (Cofinity)
Hastings Mutual Insurance Co. (Cofinity)
Health Advantage Network
HealthAllies (PTPN)
Health Care Compare
Health Dynamics (PTPN)
HealthFirst TPA (PTPN/PHCS)
Health Management Network (HMN)(PTPN)
Health Plan of Michigan
Health Risk Management (PTPN)
HealthNetwork (BCE)
HealthNet Plus (formerly EOS) (PTPN)
Horace Mann Insurance Co. (Cofinity)
Horizon Healthcare (PHCS)
Humana/ Choice Care (Cofinity)
IBA Health & Life (PTPN)
Incentus (formerly Cemara Holdings, Inc.)(PHCS)
Indiana Insurance Co. (Cofinity)
Independent Health Corporation (PHCS)
Infinity Group (Cofinity)
Inspire Insurance Co. (Cofinity)
Integra Home Group (PTPN)
Integrated Health Plan (PTPN)
Interplan (formerly Chandler Group) (PTPN)
Intra Group (PTPN)
Jefferson-Pilot Life Insurance (PTPN/PHCS)
John Deere Health Care, Inc. (PHCS)
Kansas City Life Ins. Co. (PHCS)
Kemper Insurance Co. (Cofinity)
Lake States Insurance Co. (Cofinity)
Liberty Mutual (Cofinity)
Lincoln Mutual (Cofinity)
Livonia Public Schools (PTPN)
Logicomp Business Solutions (PTPN)
M-Care & M-Care Partnership Health (MI only) (PTPN)
M-Care PPO (Cofinity)
Mahoney Benefit Administrators (PHCS)
Managed Care Strategies (MCS) (PTPN)
Medical Benefits Administration, Inc. (PHCS)
Medical Benefits Mutual Life (PHCS)
Medical Network Inc. (BCE)
MEDICARE
Mercy Health Plans (PHCS)
Meridian Insurance Co. (Cofinity)
MetraComp
Michigan Conference of Teamsters Welfare Fund (PPOM)
Michigan Educational Employers (Cofinity)
Michigan Guarantee Association (Cofinity)
Michigan Insurance (Cofinity)
Michigan Millers (Cofinity)
Midwest Security (PHCS/Cofinity)
Modern Medical, Inc (PTPN)
Molina Health Care of Michigan
Motorist Insurance (Cofinity)
Multiplan & ValuePoint by MULTIPLAN (PTPN)
Mutual of Omaha (PHCS)
National Assoc of Preferred Providers (NAPP)(PTPN)
National Care Network (PTPN)
National ChoiceCare (PTPN)
National Foot Care
National Hospital Network (PTPN)
National Production Workers Union (PHCS)
NationWide (Cofinity)
New England Life Insurance (PTPN/PHCS)
North America Administrators, L.P. (PHCS)
North Pointe Insurance (Cofinity)
Ochsner Health Plan (PHCS)
Olympus Managed Health Care (PHCS)
Omnicare (Coventry Health Care)
One Health Plan (PTPN)
Optum Health (formerly ACN)
Pacific Life & Annuity Co. (PTPN/PHCS)
Partnership Health Plan - M-Care
Phoenix Home Life Mutual (PTPN/PHCS)
Pioneer States Insurance Co. (Cofinity)
PlanCare America (PCA) (PTPN)
PPOM(now Cofinity) (see directory)
Preferred Care (PHCS)
Preferred Choices
PreferredOne Administrative Services (PTPN/PHCS)
Premier Access (PTPN)
Prime Health Services (PTPN)
Priority Health (Care Choices)not Bedford orWagner
Private Health Care Systems (PHCS)
ProAmerica (PTPN)
Progressive Insurance (Cofinity)
ProNet (Provider Networks of America)(PTPN)
Provider Select (PTPN)
Prudential Insurance Co. (Cofinity)
PTPN (see list)
QualChoice, Inc. (PHCS)
Recovery Unlimited (PTPN)
Reinalt-Thomas Corp/Discount Tire (PTPN)
Reliance Personal Insurance (Cofinity)
RMSCO, Inc. (PHCS)
Safeco American States Insurance (Cofinity)
St. Paul Fire and Marine Insurance (Cofinity)
St. Paul Insurance Co. (Cofinity)
Summit Underwriters (Cofinity)
State Farm (Cofinity)
Teamsters (Cofinity)
TechHealth (PTPN)
The Capella group (PTPN)
The Reny Company (PTPN)
Theramatrix
Three Rivers Provider Net (PTPN)
TIG Insurance (Cofinity)
Titan Insurance Co. (Cofinity)
Toledo Electric Welfare Fund (C.H.N.)
Total Health Care
Tricare -Standard & Prime
Trustmark Insurance Co. (PTPN/PHCS)
Unicare Life & Health Insurance Co. (PHCS)
United Payors & United Providers (PTPN)
Unitron Insurance (Cofinity)
Universal SmartComp (PTPN)
Universal Underwriters (Cofinity)
United Health Care (All Plans)
UP & UP (PTPN)
Upstate Administrative Services
USA Healthnet (PTPN)
USA Workers Injury Network (Cofinity)
USAA Insurance Co. (Cofinity)
Wells Fargo TPA
Westfield Companies (Cofinity)
Zurich Services Corporation (Cofinity)