To enroll in Patient Portal, established patients, call (702) 804-1212 Option 3, weekdays, 8:00 am - 3:00 pm. By Mail: 1691 W Horizon Ridge Pkwy., Suite 100, Henderson, NV 89012 ATT: Medical Records. Receiving your records can be done in one of the following ways: By Secure Patient Portal. By Fax to your referring physician/healthcare ....