Contact Us

Getting in touch with us or finding the answers to your questions is easy. Choose from the options below to get connected.  

If you are looking for the Maryland Department of Health, you can visit their website at health.maryland.gov.

Participants

Support is available 24 hours, seven days a week. Call this toll-free number for all service needs: 1-800-888-1965.

If you’re having a behavioral health crisis, please go to the nearest emergency room or call 988. If you have a medical or life-threatening condition, go to the nearest emergency room or dial 911.

For non-emergency issues, you can fill out the Participant Contact Form, and we’ll respond in one to three business days. Do not use this form if you require immediate help or in the event of an emergency.

You may also reach us at the following addresses: 

  • Carelon Behavioral Health (participant complaints) 
    ATTN: Complaints – Maryland
    P.O. Box 1850  
    Hicksville, NY 11802 
  • Carelon Behavioral Health (participant grievances) 
    ATTN: Participant Grievances – Maryland
    P.O. Box 1856 
    Hicksville, NY 11802 
  • Carelon Behavioral Health (civil rights) 
    ATTN: Civil Rights Coordinator – Maryland
    P.O. Box 1851 
    Hicksville, NY 11802 

Providers

Join the network

Start the online process to join the Carelon network or call Provider Enrollment:
1-844-463-7768.

Customer Service: 1-800-888-1965
Hours: Monday – Friday: 8 a.m. to 6 p.m. ET

Hard of hearing providers and those with cognitive, mobility, or speech difficulty:

Mailing:

  • Carelon Behavioral Health (claims) 
    ATTN: Claims – Maryland
    P.O. Box 1850 
    Hicksville, NY 11802 
  • Carelon Behavioral Health (claims appeals and retroactive authorization reviews) 
    ATTN: Provider Claims Appeals – Maryland OR Retro Auth Review – Maryland
    P.O. Box 1856 
    Hicksville, NY 11802 
    Claims appeals fax: 781-994-7636
    Provider Claims Appeals Request Form
  • Carelon Behavioral Health (provider complaints) 
    ATTN: Provider Complaints – Maryland
    P.O. Box 1850   
    Hicksville, NY 11802 
  • Carelon Behavioral Health (refund checks) 
    ATTN: Finance – Maryland
    5800 Northampton Blvd 
    Norfolk, VA 23502 

Phone Numbers

Please click the drop-down icon to view contact information.  

Carelon Maryland Call Center / Customer Service

  • Toll-free number: 1-800-888-1965
  • Example inquiry reasons:
    • Appeals Receipt Inquiry
    • Appeals Status/Education
    • Claim Receipt Inquiry
    • Claim Processing/Payment Status
    • Request for Claim Reprocessing/Adjustment
    • Claim Escalation/Complex Claim
    • Claims Appeals
    • Complaints
    • Authorization Status
    • Participant Eligibility Verification
    • Request for After Hours Admit Reference Number (After Hours)

Availity – Electronic Claims Transactions

  • How to contact:
  • Example inquiry reasons for contacting this email address:
    • Issues with uploading 837s into the Availity Portal
    • Technical questions about batch authorizations and/or claims submissions
  • When contacting Availity, please have the following information along with your provider issue:
    • Full name
    • Organization name
    • TIN
    • NPI for level of care related to this inquiry
    • Direct phone number (please include extension if applicable)
    • Any batch or file number

EDI Helpdesk – Provider Connect Portal Inquiries

  • Phone number: 1-800-888-1965 
    Press 1 for English, then 3 for Provider, then 7 for EDI 
    Hours: 8 a.m. – 6 p.m. ET
  • Email: EDI-ProviderSupport@carelon.com
  • Example inquiry reasons for contacting this phone number:
    • Questions related to single authorization and/or claim submissions
    • Questions related to accessing the Provider Connect Portal
    • Provider Connect Portal password resets
  • When contacting this phone number, please have available the following information:
    • Provider Connect Username
    • Your full name
    • Organization name
    • Direct phone number (please include extension if applicable)
    • Email address
    • NPI for level of care related to this inquiry

Provider Enrollment – ePREP Hotline

Participant Enrollment – Maryland Health Connection

EVS – Participant Eligibility Verification

Forms

Please click the drop-down icon to view contact information.

Provider Relations

Contact Carelon’s Maryland provider relations team with any questions or concerns.

Submit a Provider Inquiry

Provider Communications

Stay informed about all updates from the Maryland Department of Health and Carelon, including important changes or guidance related to provider policies, news, events, and more. 

Sign Up for Provider Communications