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Welcome Providers

Contracted providers are an essential part of delivering quality care to our members. We value our partnership and appreciate the family-like relationship that you pass on to our members.

In an ongoing effort to improve our web-based services we have created a new Provider Portal. Included in this new secure site you will find:

Log on to Cook Children's Health Plan Online Eligibility

To become a participating provider

If you are interested in becoming a participating provider for Cook Children's Health Plan, please submit a completed Letter of Interest Questionnaire to Network Development by fax at 682-885-8403 or by email This information will help us in assessing your qualifications with the service needs of our network.  Cook Children's Health Plan will respond to your request within 90 days.

Additional Payer Available for Electronic Remittance Advice (835)

Availity is pleased to announce that Cook Children's Health Plan now delivers electronic remittance advice (ERA) files via the Availity Health Information Network.

To enroll for ERA delivery on the Availity Web Portal, click Enrollments | ERA Enrollment in the Availity menu, or click ERA Enrollment in the Additional Enrollments section on the Administrator Dashboard. For information about using the ERA enrollment service, review the Enrolling Online for Electronic Remittance Advice topic. You may also call Availity Client Services at (800) 282-4548.

You can also find information about enrolling for ERA delivery with participating payers in the Availity Health Plan Partners list.

To view your ERA files, click EDI File Management | Send and Receive EDI Files in the Availity menu.

If you have any questions please call 1-800-964-2247 Monday through Friday from 8 a.m. to 5 p.m.