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Please submit all network claims to the payer specific addresses indicated on our Client Summary.

The following is a list of clients under contract with MedNet with claim and pre-certification phone numbers. For each client with a website we have provided a convenient link to it. MedNet is not responsible for nor does it endorse any information provided on these sites.

Disclaimer:  The following health plans carve out some or all of their behavioral healthcare services. Enrollees may not be authorized to use MedNet providers. Please check the enrollee ID card for correct network and billing information for mental health claims:
  • Harvard Pilgrim Health Care
  • UnitedHealthcare


American Administrative Group
Claim Phone: (866) 420-4728
Pre-Certification: (866) 420-4728
TPA: American Administrative Group
TPA Claim Phone: (866) 420-4728
TPA Pre-Certification: (866) 420-4728
Company Website: www.aagco.com/Home/tabid/36/Default.aspx

American Maritime Officers Benefit Plan
Claim Phone: (800) 348-6515
Pre-Certification: (800) 348-6515
Company Website: www.amoplans.com/

AmeriHealth Administrators
Claim Phone: (800) 841-5328
Pre-Certification: (800) 952-3404
Company Website: www.amerihealth-tpa.com/index.jsp

Comprehensive Benefits Administrator, Inc.
Claim Phone: (800) 525-8788
Pre-Certification: (800) 525-8788
Company Website: www.cbavt.com/index.html

CoreSource, Inc.
Claim Phone: Various, see Client Summary
Pre-Certification: Various, see Client Summary
Company Website: www.coresource.com

Definity Health - A United Health Group Affiliate
Claim Phone: (800) 828-6922
Pre-Certification: (866) 333-4648
Company Website: www.definityhealth.com/marketing/index.html

Diversified Administration Corporation
Claim Phone: (888) 322-2524
Pre-Certification: (888) 322-2524
Company Website: www.dgb-online.com/about_dgb.cfm?feature_id=13

Employee Benefit Plan Administrators, Inc.
Claim Phone: (800) 258-7298
Pre-Certification: (800) 258-7298
Company Website: www.cbavt.com/index.html

Group & Pension Administrators, Inc.
Claim Phone: (972) 744-2486
Pre-Certification: (972) 744-2486
Company Website: www.gpatpa.com.cnchost.com/GPA/mainpage/mainpage.html

Group Insurance Service Center
Claim Phone: (800) 242-4472
Pre-Certification: (800) 242-4472
Company Website: www.giscinc.com/

Harvard Pilgrim Healthcare
Claim Phone: (800) 708-4414
Pre-Certification: (888) 476-2463
Company Website: www.harvardpilgrim.org

Harvard Pilgrim Healthcare / Administered by Benefit Plan Management
Claim Phone: (877) 642-7500
Pre-Certification: (800) 634-2712
Company Website: www.benefitplanmgmt.com

Harvard Pilgrim Healthcare / Administered by Health Plans, Inc.
Claim Phone: (800) 532-7575
Pre-Certification: (800) 532-7575
Company Website: www.healthplansinc.com/

HNA Triveris
Claim Phone: (800) 790-3265
Pre-Certification: (800) 790-3265
Company Website: www.healthnetworkamerica.com/

Medical Claims Service, Inc.
Claim Phone: (888) 225-0522
Pre-Certification: (800) 647-1020
Company Website: www.medicalclaimsservice.com/

NOVA Healthcare Administrators, Inc
Claim Phone: (800) 999-5703
Pre-Certification: (800) 999-5703
Company Website: www.novahealthcare.com/

Patient Advocates, LLC
Claim Phone: (800) 290-8559
Pre-Certification: (800) 290-8559
Company Website: www.patientadvocatesllc.com

Pequot Plus Health Benefit Services
Claim Phone: (888) 779-6872
Pre-Certification: (888) 810-8199
Company Website: www.casinovendors.com/VendorLinkFrame.cfm?URL=http://www%2Etpa%2Eprxn%2Ecom

Planned Administrators, Inc.
Claim Phone: (800) 768-4375
Pre-Certification: (800) 768-4375
Company Website: www.paisc.com/

Special Insurance Services
Claim Phone: (800) 767-6811
Pre-Certification: (888) 545-7161
Company Website: www.specialinc.com/

TR Paul Group Services
Claim Phone: (800) 678-8161
Pre-Certification: (800) 678-8161
Company Website: www.trpaul.com/benefits.htm

Trustmark
TPA: Healthplan Services
TPA Claim Phone: (888) 813-7099
TPA Pre-Certification: (800) 454-5073
Company Website: secure.healthplan.com/acec/page.php?s=home&p=home/index.php

Ultrabenefits
Claim Phone: (866) 858-7223
Pre-Certification: (866) 858-7223
Company Website: www.ultrabenefits.com

UnitedHealthcare
Claim Phone: (800) 325-6651-Prompt 1
Pre-Certification: (800) 325-6651-Prompt 2
Company Website: www.unitedhealthcare.com

Wausau Benefits, Inc.
Claim Phone: (800) 826-9781
Pre-Certification: (800) 808-4424
Company Website: www.fiservhealthservices.com/

Willis of Kansas, Inc.
Claim Phone: (800) 235-7160
Pre-Certification: (800) 235-7160
Company Website: www.willis.com