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THE STAFF AT Oasis Eyecare

Our Oasis Eyecare eye doctors aim not only to correct any vision problems you may have but to help prevent future ones from arising. From yearly eye exams to dry eye treatment, our full range of services will cover all your eye care needs. Our eye doctors tailor their approach to each individual patient in order to offer you the best vision care and solution possible.

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Meet Our Team in Mesa, Arizona

Oasis Eyecare offers the premier services you need to maintain the quality vision you and your family members deserve. Our team of experienced eye care professionals is assisted by our highly trained technicians and our efficient, compassionate front office staff. By choosing Oasis Eyecare, you’re choosing Mesa‘s most reliable full-range eye care provider.

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Yesenia Garcia


Yesenia is our office manager and insurance billing specialist. She ensures that the office runs smoothly on a day-to-day basis and helps patients from start to finish. She is knowledgeable and compassionate ensuring patients are satisfied and addressing any patient concerns. She works closely with Dr. McCallen behind the scenes to create efficiencies in our office for better patient experiences. Yesenia has worked in the eye care field for 17 years, and before joining Oasis Eyecare in 2013 she worked at a private practice in Muskogee, Oklahoma. She is bilingual in English and Spanish. 

In her free time Yesenia enjoys spending quality time with her two girls and husband. She is also a fur mommy to her dogs, Spicy and Ellie. 



Gigi is our senior office manager in tandem with Yesenia. She is our human resources guru and co-manages our billing department. Since beginning her career in eye care in 1988, she worked her way up to managing a multi-office practice before coming to the Mesa Costco in 2000. She has helped grow two practices at the Mesa Costco and with Dr. McCallen, started Oasis Eyecare in 2008. With her many years of experience in eye care, her strengths are problem solving glasses and contact lens related issues and providing skilled pre-testing for the doctors. 

Gigi enjoys spending quality time with her adult children as well as being an awesome and involved grandmother. She resides in Gilbert with her husband and tiny Yorkie, Zoe. 



Genesis has worked in the eye care field for 8 years and joined Oasis Eyecare in 2018. She enjoys working directly with patients as our lead pre-tester and especially loves working with children. She takes pride in creating a pleasant atmosphere and organizing an efficient experience for patients in the office.  She is bilingual in English and Spanish. 

Genesis was born in California and raised in good ole’ Oklahoma.  She resides in Arizona with her family, spouse and fur baby dog, Uno. 



Brittany has worked in the eye care field since 2016 and joined Oasis Eyecare in 2020. She is one of our receptionists and also assists in pre-test. She enjoys providing great customer service and assisting patients.  Her strengths are working with insurances and contact lenses. 

Growing up Brittany experienced many regions throughout the United States but has chosen to settle in the sunny southwest of Arizona.  She is a connoisseur of good food and enjoys calligraphy and crafting. 



Christa is one of our receptionists at Oasis Eyecare. Christa has been the eye care field for 10 years. She recently joined our team in 2021. She takes pride in greeting, assisting and providing direction and information to our patients. 

Christa is a mother to 4 adult children and her eldest son serves our country in the Navy! She enjoys socializing with friends on the weekends and spending quality time with her kids. 



Carol is our front desk receptionist at Oasis Eyecare and joined the team in 2018.  She has worked in the eye care field for 14 years with 9 of these as a billing manager in Maryland. Carol enjoys interacting with patients and welcoming them to the office with a warm smile.  She works hard to accommodate patients' busy schedules and assists in verifying insurances. 

Carol was born and raised in Long Island, New York and has the cool accent to prove her roots! Carol is a mother to adult children, enjoys being a grandmother and is a proud cat mom.  In her free time Carol enjoys hiking and going to the gym, even if it’s once a week! 


Oasis Eyecare in Mesa

Oasis Eyecare provides innovative eye care services to patients from in and around Mesa. Our eye care experts offer comprehensive eye health assessments, ocular disease diagnosis and treatment, contact lens evaluation and fitting, and prescriptions.

The team at Oasis Eyecare aims to provide the best possible solution for the patient's eye health and vision needs. By utilizing the latest technologies and evidence-based treatments, we can ensure that each patient maintains optimal eye health.

We welcome new patients and accept most major forms of insurance.