Last Updated: Monday, August 31, 2026
Highmark is committed to maintaining a streamlined, compliant, and easy credentialing process that supports the provider’s participation across our networks. Credentialing is conducted in accordance with federal requirements and the standards set by the American Accreditation HealthCare Commission.
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I Want to … |
How to Proceed |
More Details |
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Get in Touch with the Team |
For all your credentialing inquiries, call your regional Provider Service Center and select the Credentialing option from the IVR menu. |
Begin credentialing by completing the initial application. |
Learn about what to expect during organizational (Facility/Ancillary) credentialing. |
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Start the recredentialing process (received announcement letter). |
Recredentialing Application for Facility and Ancillary Providers |
Learn about what to expect during organizational recredentialing. |
Begin credentialing via the CertifyOS Provider Portal. |
Learn about what to expect during organizational (Facility/Ancillary) credentialing. |
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Start the recredentialing process (received announcement letter) via the CertifyOS Provider Portal. |
Learn about what to expect during organizational recredentialing. |
Change address or contact details. |
Useful for UB Facility Billers, Urgent Care Centers/Medical Aid Unit/Retail Clinics, or for Organizational Behavioral Health Billers. |
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Check the status of my credentialing application. |
This form is for credentialing and recredentialing inquires ONLY; all other questions will not be reviewed. |
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Request special consideration to join a closed specialty. |
Complete the special consideration questionnaire for review before credentialing can begin. Note: If you select a specialty that is closed, you may request special consideration by completing the Special Consideration Questionnaire. Requests are reviewed by Contracting and may be approved as exceptions when appropriate. Closed Specialties include: Hospice, In-Home Supportive Care, Laboratory, Orthotics and Prosthetics, Specialty Pharmacy, Urgent Care Center/Medical Aid Unit, and Skilled Nursing Facility. |
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Formally update the organization's ownership details. |
Useful for providers to report any changes which may include the Legal Name, Doing Business As name, NPI, or Tax ID information. |
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Non-participating Facility and Ancillary Providers can report information when requesting payment for rendered services. |
This form is intended for hospital, facility, and ancillary medical entities that do not wish to contract with Highmark but need to submit essential information so that claims can be processed and payment issued when services are rendered. |
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Find the complete list of credentialing and enrollment related forms. |
To maintain accurate provider records, access the PIM forms to submit changes for demographics, practice locations, affiliations, specialties, and panel status. |
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Get credentialing requirements. |
Organizational Provider Participation, Credentialing, and Contracting Requirements |
Useful for providers to review credentialing requirements based on organizational provider type. |
Review all details on network eligibility, data management and cooperation requirements. |
Chapter 3 covers all aspects of provider network participation, including credentialing, recredentialing, and facility/ancillary guidelines. |
Map out the complete process and timeline for joining the Highmark network. |
Find step-by-step guidance on Highmark's credentialing requirements: application submission, provider verification, and standards. |
Map out the complete process and timeline for joining the Highmark network. |
Find step-by-step guidance on Highmark's credentialing requirements: application submission, provider verification, and standards. |
Ancillary Provider Strategy Intake Form – Use this form for inquiries regarding your Highmark Facility/Ancillary contracts.