You can access the secure patient portal for HealthMark Here. Skip to content. Phone: (303) 584-8900 | Fax: (303) 584-0525. Home; About. Contact Us; Our Partners; ... You will be notified to go to your patient portal by an email from East-West Health Center. ... Fax: (303) 584-0525 | A Division of OnPoint Medical Group | 4700 East Iliff Avenue ....