Mayo Clinic Patient Portal 1 year ago ID: #740332 Listed In : Associations astrology . 5396 North Reese Avenue, Fresno CA 93722 ; 2. 2443 Sierra Nevada Road, Mammoth Lakes CA 93546 9898768574 https://mayoclinicpatientportal.info/ Business Description The Mayo Clinic Patient Portal is an online, interactive portal that gives patients access to their medical records. Patients can also request appointments at mayo and refill prescriptions with their health information. Reviews & Ratings Write a Review No Review. Please login / register to add your review.