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Doctor & Staff

Meet the experienced and friendly doctor and staff who make Eyecare of Union Square a proud provider of vision care products and services in Lakewood, Colorado.


George Mamalis, O.D.

Dr. George Mamalis grew up in Rock Springs, WY, a small town in southwestern Wyoming. He attended the University of Colorado and received his Bachelor of Arts degree in 1982, majoring on biology. He then went on to the University of California, Berkeley, where he received his Doctor of Optometry in 1986. Moving back to Colorado, he has been at Eyecare of Union Square ever since, and bought the practice in 1987. Dr. Mamalis belongs to the Colorado Optometric Association and the American Optometric Association.

Dr. Mamalis is board-certified by the American Board of Optometry. This means that he maintains the highest standard of practice. He also has to complete 100 hours of continuing education courses in each three-year certification period, more than twice the hours required by the State of Colorado! This adds up to the latest information in eye health to take better care of his patients.

Dr. Mamalis has been married to his wife, Leslie, since 1990. They live here in Lakewood with their dog and cat. They enjoy gardening, bird watching, hiking, and traveling. Dr. Mamalis is also a big football and ice hockey fan. Dr. Mamalis is a member of the Rotary Club of Golden, where he is active in numerous community service and charitable projects. He was selected Rotarian of the Year in 2001.

 

Ellen DeNicola, O.D.

Dr. Ellen DeNicola joined Eyecare of Union Square in July 2022. She grew up in Monument, CO. She attended University of Colorado, Colorado Springs for her Bachelor of Science degree, and earned her Doctorate of Optometry from Pacific University College of Optometry in Oregon. During her education, she completed an ocular disease internship at the Veteran’s Association in Walla Walla, WA and a primary care internship at the Oak Harbor Naval Base. Dr. DeNicola has also completed a refractive surgery and ocular disease internship at Icon Eye Care.

Dr. DeNicola married her husband in 2017 and recently added a new cat, Mochi, to their family. Despite having lived in Colorado all her life, she has never been skiing or snowboarding, but don’t let that fool you, her and her husband enjoy all things outdoors, especially hiking and paddleboarding, and also, finding new places to explore and new restaurants to try. 

Dr. DeNicola is eager to build lasting relationships with her patients at Eyecare of Union Square. She brings a long list of skills and a love for helping people see their very best. She is proficient in routine care, foreign body removal, myopic care, dry eye, glaucoma, and macular degeneration monitoring. She really enjoys staying busy with patients and making sure everyone is well taken care of and will no doubt continue to be an asset to the practice.


Krysta: Office Manager

Krysta was born and raised in Littleton, CO. She currently lives in Englewood with her husband, Jeff, and their dog, Wesley. Krysta joined the practice in February 2013 and in July 2016, Krysta graduated from Metropolitan State University, earning her Bachelor’s degree in Business Management, and is now utilizing her skills as our office manager.  In her spare time, enjoys traveling, camping, paddleboarding, and spending as much time as she can with family. Krysta enjoys working at Eyecare of Union Square where she can assist in making patients look and see their best!


Cathy: Optician/Optometric Assistant

Cathy was born and raised in Colorado. She currently lives in Littleton with her husband, Rick, and has two daughters, Madison and Hannah. In November 2021, Cathy took her National Opticianry Competancy Exam to become a certified optician. She enjoys camping and hiking in the mountains during the summer, watching her daughters play softball, and spending time with her large family. Cathy joined the practice in January 2011. She believes that every patient deserves both personal attention and professional care.


Saray: Optometric Assistant

Saray was born and raised in California and relocated to Colorado in October 2021. She currently lives in Lakewood with her wife and their dogs, Lola and Diesel. Saray joined the practice in November 2021. Saray graduated from Platt College in 2015, earning her Associates Degree in Medical Administrative Assistant. She has worked as an Optometric Assistant for the past few years and is currently looking forward to working on becoming an Optician down the road. She enjoys walks with her dogs, reading and spending time with family and friends.