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 dog Annie, 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 styling and dispensing eye wear. She loves spending time with family and friends, especially while watching Thunder games and Oklahoma football.
Tristan, Insurance Coordinator
Tristan started working for Purcell Vision Source in June of 2021. Tristan manages all payments, including those from our patients’ medical and vision insurances. When Tristan is not coordinating benefits for patients, you’ll find her in the optical helping patients choose their new frames and lenses. She loves spending time outdoors with her husband and son, 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 friends and family.
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.
Chloe, Patient Care Coordinator
Chloe has been with Purcell Vision Source since February of 2024. You’ll be greeted by Chloe when you arrive to your appointment. Chloe manages our schedules and the majority of our office correspondence. She enjoys spending time with her husband, trying new coffee places, reading, volunteering at church, and outdoor activities.
Joselyn, Technician
Joselyn started working for Purcell Vision Source in June of 2022. Joselyn prepares our patients to be seen by the doctors by utilizing our high tech equipment and gathering all data necessary for a successful exam. Joselyn is fluent in Spanish and English. When she’s not at work you’ll find her spending time with her family and dog, or reading.
Angie, Optician
Angie has been with Purcell Vision Source since 2022. You’ll find Angie in our optical, where she assists patients with frame and lens selection. She enjoys spending time with family, trying new coffee shops, and road trips.
Mandy, Patient Care Coordinator
Mandy joined our team in 2022. She prepares patient’s insurance benefits prior to them arriving to our clinic and plays a large part in coordinating our doctors’ schedules. Mandy loves spending time with family, traveling, and going to the lake.