"They are infinitely patient with my questions on the patient portal or inquiries about whether we need to come in." Laurie M. Location. Grayhawk Medical Group, PLLC 7920 East Thompson Peak Parkway, Suite 100 Scottsdale, AZ 85255 Phone: 480-401-1628 Fax: 480-661-4125. Office Hours.Cold & Flu‧Annual Checkup‧Medication Management‧View More Services‧Hypertension‧Contact Us.