Alexandra Theriault, MD


Board-Certified Dermatologist
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Dr. Theriault graduated manga cum laude from The University of Texas at Austin. She attended medical school at The University of Texas at Houston and was selected as a member of Alpha Omega Alpha Medical Honor Society. She completed her Dermatology residency at the University of Colorado. Dr. Theriault became board certified in Dermatology in 2000. She serves as an Assistant Clinical Professor at The University of Colorado and is currently on the teaching facility of Medical Education Resources. She also mentors medical students at the CU Health Science Center as a preceptor, and as a volunteer faculty teaching University of Colorado dermatology residents on Cosmetic Injection Techniques.

Drawn to Dermatology because it is a mentally challenging field, Dr. Theriault finds it very rewarding to diagnose a tough case and implement promising treatment options. She especially enjoys treating autoimmune skin diseases, such as psoriasis cutaneous lupus and pemphigus. Apex Dermatology, now a part of U.S. Dermatology Partners, is involved in clinical research, enabling our patients to receive the most cutting edge treatments available.

Dr. Theriault enjoys the personal relationships that have developed from treating families that she has been lucky enough to care for over her 16-year career. Her philosophy is to treat her patients with compassion and respect, explain the disease process and involve her patients in the healing process.

Dr. Theriault also finds reward in the cosmetic side of dermatology. “I believe that my background in art serves as a good foundation for performing cosmetic procedures as many of them are sculptural. We do not aim to change the patient’s appearance; rather, we are looking to enhance it.”

During her free time, Dr. Theriault enjoys skiing, running, hiking, playing the guitar and enjoying time with her husband and two children. In the community, she participates in free skin cancer screenings, and is involved in philanthropy for children’s programs for those at risk, programs that support the Arts in Colorado and programs that aid the homeless population in Denver.

Clinic Locations

Apex Dermatology Group Littleton
Apex Dermatology Group Littleton

1420 West Canal Court
Suite 50
Littleton, CO 80120

(303) 795-2030

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What Our Patients Say

Alexandra Theriault, MD
5 Stars  Dr Theriault takes the time to listen and truly cares. Plus, she exudes confidence and experience. Finally, her office staff is fantastic. All smiles and they actually get up from behind the front desk to bring you your license and insurance cards and stuff. Wow. –
Source : Healthgrades – Oct 11, 2019
Alexandra Theriault, MD
5 Stars  I have been seeing Dr. Theriault for 10+ years. She is one of the few doctors that will take time to listen to you and not make you feel rushed. She makes you feel like she genuinely cares about you and listens to your concerns. She is nothing short of awesome!! –
Source : Healthgrades – Oct 08, 2019
Alexandra Theriault, MD
5 Stars  I was in for my regular skin check. Dr. Theriault’s thorough look over always leaves me feeling comfortable and satisfied knowing that all is good...until next time. Whenever something has looked suspicious she is careful during removal and prompt with a call back. She also has a very kind demeanor. –
Source : Healthgrades – Sep 27, 2019

Services Offered By Dr. Theriault