Alexandra Theriault, MD, FAAD


Board-Certified Dermatologist
Fellow of the American Academy of Dermatology
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Dr. Alexandra Theriault is a Board-Certified Dermatologist in Littleton and Denver, Colorado at U.S. Dermatology Partners, formerly Apex Dermatology Group.

Dr. Alexandra Theriault treats patients at U.S. Dermatology Partners Littleton and U.S. Dermatology Partners Denver, formerly Apex Dermatology Group, in Littleton and Denver, Colorado.

Dr. Alexandra 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. Alexandra 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. Alexandra 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. Alexandra 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. Alexandra 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. Alexandra 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.

Dr. Alexandra Theriault treats patients at U.S. Dermatology Partners Littleton and U.S. Dermatology Partners Denver, formerly Apex Dermatology Group, in Littleton and Denver, Colorado.

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  Kind and professional staff. –
Source : Healthgrades – Jul 06, 2020
Alexandra Theriault, MD
5 Stars  I am a new patient of Dr. Theriault, and my appointment with her and the staff were outstanding. She thoroughly scanned my skin from head to toe and she didn't miss a beat! Dr. Theriault made me feel comfortable for the first visit and in the COVID19 pandemic. If anyone is looking for a good dermatologist, I recommend Dr. Alexandra with 10 thumbs WAY up! –
Source : Healthgrades – Jul 04, 2020
Alexandra Theriault, MD
5 Stars  As always, Dr. Theriault was an excellent physician. She always asks about my family by name and remembers details about my life and experiences. I would highly recommend her not just for her professional skill, but for her friendly and cheerful manner. Everyone in the office is friendly and efficient. –
Source : Healthgrades – Jul 04, 2020

Services Offered By Dr. Alexandra Theriault

Insurance Plans Accepted By Dr. Alexandra Theriault

Dr. Alexandra Theriault accepts most major insurance plans. If your plan is not listed above, please contact the office to verify coverage.