Doctors & Staff
Meet the experienced and friendly doctors and staff who make Purcell Vision Source a proud provider of vision care products and services in Purcell.
Stephanie Mendell, O.D.
Dr. Stephanie Mendell grew up in Durant, Oklahoma and graduated from Durant High School. She completed her undergraduate studies at the University of Oklahoma with a bachelors degree in Management Information Systems with a minor in Biology. She graduated with honors from the Northeastern State University Oklahoma College of Optometry in May of 2010. Dr. Mendell practices full scope primary eye care including ocular disease management, and is PRK certified. She and her husband Dr. Scott currently live in Washington. In her spare time she enjoys being mom to Josie, Ellie, and Ben. Dr. Steph enjoys all sports (mainly OU and the Thunder), spoiling her husband’s bird dogs, entertaining friends, and going to the lake with her family. She is a member of the Goldsby Baptist Church.
Sara Madden, O.D.
Dr. Sara Madden was born and raised in Chickasha, OK and graduated from Amber-Pocasset High School. She continued her education by obtaining her bachelor’s degree in Nutritional Sciences at Oklahoma State University. Dr. Madden graduated with honors from Northeastern State University Oklahoma College of Optometry. Dr. Madden and her husband Brandon live in Purcell with their two daughters, Bellamy & Blair. As a family, they are members of Goldsby Church.
Robert Bales, M.D.
Dr. Robert Bales graduated from the University of Oklahoma College of Medicine at Oklahoma City in 2003. He specializes in Ophthalmology, including the treatment of cataracts, glaucoma, and other eye diseases. Dr. Bales and his staff have been a welcome addition to our practice. While maintaining his own practice in Norman, he also visits our clinic once per month to provide our cataract patients with treatment options. Dr. Bales lives in Norman, and enjoys spending time with his wife and their children.
Marilyn, Optician
Marilyn has worked in the optical field for 36 years. She has experience in fabricating eyeglasses and fitting and dispensing eye wear. She loves spending time with family and friends, while watching Thunder games and Oklahoma football.
Tristan, Optician
Tristan will assist you in choosing the best frame and lenses for you. She loves spending time outdoors with her husband and trying new restaurants with family and friends.
Victoria, Technician
Meadow, Technician
Meadow started working at Purcell Vision Source in November of 2021. Meadow gathers and inputs information from our patients in order to prepare them to see their doctor. In her spare time, you’ll find her shopping or spending time with her boyfriend and family.
McKenna, Patient Care Coordinator 
When you walk in to Purcell Vision Source, you’ll be greeted by McKenna. McKenna manages our schedule and ensures patient’s insurance is in order before your exam. She loves her dog Ellie, shopping, and spending time with family and friends.
Bailey, Optician 
Bailey has worked 16 years in the optical industry, but recently moved to Purcell to be closer to family which brought her to Purcell Vision Source. She enjoys spending time with her husband and 4 children. You’ll often find her watching and cheering her kids on at their many sporting events. Bailey also enjoys the lake and listening to music.