“I strive to deliver high quality, comprehensive medical care with compassion and competence. My goal is to ensure patients feel comfortable with their treatment plan and have all their concerns addressed in a timely manner.”

Board Certification

  • Physician Assistant

Area of Expertise

  • Internal Medicine


Graduate School

South University
Master of Science in Physician Assistant Studies
Savannah, GA

Undergraduate School

University of San Diego
Bachelor of Arts in Biology
San Diego, CA

Hospitals Affiliated With

Memorial Hermann The Woodlands Hospital
Methodist The Woodlands
St. Luke’s The Woodlands Hospital

Professional Association

National Physician Assistant Honor Society
2010 – Present


Shannon (Shay) and her husband enjoy life in the Heights. She joined PGW in 2011 where she serves as a PA-C for both Dr. Paschalis and Dr. Cos. She is often found at the hospital, making rounds and caring for PGW patients. She proudly serves patients in the greater North Houston/The Woodlands.