Managed Care System (MCS) Authorization Portal
Important Notice – UHC Referral Requirement Effective 1/1/2026:
Beginning January 1, 2026, UnitedHealthcare (UHC) will require a referral from the primary care provider (PCP) for specialist office visits. All PHPprime PCP referrals will be submitted through the Managed Care System (MCS) Essette Portal. For questions or additional information, please contact Provider Relations at:
To access the login screen, visit: https://mcsportal.phpmcs.com/
Portal Resources
The following video, User Training Guide, and MFA Registration Guide have been created to support users. If you have questions or need more support, please contact portal@alpine-physicians.com.
PHPprime Primary Care Providers and Preferred Specialists are expected to use the MCS Essette Prior Authorization Portal to submit pre-certifications, referrals and prior authorization requests.