According to Vitals.com, Dr. Maryellen Shannon is an obstetrician & gynecologist. She has been a doctor for 19 years and is based out of Caring For Women located at 16641 N 40th St Ste 2, Phoenix, AZ. Dr. Shannon is associated with two hospitals including one that's rated 4 out of 4 stars. Her overall average patient rating is three out of four stars, with an overall rating of "Good". You may also find the doctor's name written as Dr. Maryellen Kathryn Shannon, MD. Vitals.com has more in-depth information on Dr. Shannon.