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At Coventry Health Care of Delaware, we take pride in our excellent customer service.  Located in Newark, Delaware, our dedicated team of highly-trained customer service representatives are friendly and knowledgeable.  Best of all, they answer your calls quickly and accurately.  Please contact the number below with all general inquiries and Customer Service will direct you from there. 

Please be aware that you are contacting Coventry Health Care of Delaware, which services members of employers based in Delaware  or Maryland. If you are outside of this service area, please visit our corporate web site,, and select your state from the drop down menu under "you're covered" on the right hand side of the page in order to be directed to the appropriate contact.


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(800) 833-7423
TTY 711; TDD 1-800-877-8973

Monday - Friday
8 a.m. - 6 p.m. EST

Coventry Health Care of Delaware
750 Prides Crossing
Suite 200
Newark, DE  19713

CoventryOne Direct Customer Service
Toll free: 866-364-5663
TDD: 711 (for the hearing impaired)

CoventryOne Marketplace Customer Service
Toll free: 855-HIX-CVTY (855-449-2889)
TDD: 711 (for the hearing impaired)

Or, visit


As a reminder, effective July 26, 2010, we moved from our Centerville Rd location in Wilmington, DE. Please send Appeals to the following address as our forwarding address has long expired:

3721 Tecport Drive
PO Box 67103
Harrisburg, PA 17106

Sending an Appeal to the old Centerville Rd address will delay a response to your Appeal. 

Member Appeal Form

MHNet Behavioral Health
Customer Service
(800) 835-2094
(866) 992-5246

Health Services
The Nurse Line is on call for you 24/7
(Available for group and individual fully-insured members only)
(888) 435-0428

Urgent After Hours Request
For urgent, after-hours health care issues or authorizations requests, please page the on-call nurse at
(888) 369-6624


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Broker Services Hotline
(866) 287-6597
Coventry's Broker Services Hotline is your direct line to service for:

  • Claims and benefits
  • Enrollment and eligibility
  • Premium payments and billing
  • Online services such as BenefitExpress
  • Broker Commissions information
  • Broker Appointments

Available Monday Friday:
8:00 am - 6:00 pm (EST)
for Medical & Dental Coverage

8:00 am - 5:00 pm (EST)
for Broker Commissions & Appointments

Online Account Management (OAM)
(866) 667-3062

Fax: (866) 287-6591

To obtain group insurance quotes or submit employer group applications:

Delaware Large Group 51+

Delaware Small Group 1-50

Maryland Large Group 51 +

Maryland Small Group 2-50

Small Group Renewals for DE & MD

Request More Information

Use our online form to submit a question or request more information.

© Copyright 2008-2015 Coventry Health Care