I DON'T HAVE A CODE. PAY AS GUEST. Not a UPMC Central Pa Portal Patient? Access your UPMC information in MyUPMC. NEED HELP? For technical questions about MyChart, contact the Help Desk. M-F 8am-5pm at. 1-888-782-5678 or. 717-988-0000 press 6. DA: 33 PA: 100 MOZ Rank: 79. UPMC Central Pa Portal - Login Page mypinnaclehealth.org.