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Mary E. Horner, MD, FAAD

Dr. Mary E. Horner grew up in Sacramento and was valedictorian of Rio Americano High School. From a young age, Dr. Horner was inspired to pursue a career in medicine by her family practice physician father and RN mother. She graduated cum laude with a Bachelors of Business Administration while also completing her pre-med requirements at Emory University in Atlanta, Georgia. She then returned to California and graduated in the top 10% of her medical school class at UC Davis. Dr. Horner completed her dermatology residency training in Dallas, Texas at Baylor University Medical Center where she served as Chief Resident.

She is passionate about all aspects of dermatology and enjoys treating patients of all ages. In addition to her knowledge of medical dermatology, she has extensive training in surgical and cosmetic dermatology. Dr. Horner is a published author in peer reviewed journals and has presented at national conferences. She is interested in international volunteerism and has served on mission trips to Peru, Kenya, and Guatemala. She volunteers her time locally to treat patients in need through the SPIRIT Program. She has been involved in leadership roles and served on committees of the American Academy of Dermatology, Women’s Dermatology Society, and SkinPAC Organization, and enjoys teaching medical students and residents when she gets the opportunity. Most proudly, Dr. Horner has been repeatedly chosen by her peers as one Sacramento Magazine’s “Top Docs.”

When not in the office, you will find Dr. Horner spending time with her husband and their children. Now back in her hometown near family and friends, Dr. Horner enjoys cycling along the American River Bike Trail, jogging in her neighborhood, water skiing on the Sacramento River, and snow skiing in Tahoe. She is happy to take care of all your dermatologic needs!

Dermatology Consultants of Sacramento Provider - Mary E. Horner, MD, FAAD


Dr. Horner and her staff are efficient, kind, helpful and very professional!!!


Dr. Horner is excellent. I’m so glad I was referred to her by a friend!

Listens carefully

Dr. Horner listens carefully and explains in detailed understandable language to my questions and concerns.

Excellent Dermatologist

Dr. Horner is an excellent dermatologist. She is friendly and explains things completely. She answered all my questions to my satisfaction. She performed a biopsy on my forehead and it was quick and painless. I’d recommend her to anyone.

Delightful, kind and very thorough.

Dr Horner was delightful, kind and very thorough! I feel so lucky to have found her Everyone in the office was welcoming!

Very professional

Dr. Horner does a great job! Very professional, knowledgeable and a friendly manner. She really helped me out with a skin rash problem I was dealing with earlier this year. I would recommend her without any reservation.

Extremely Personable

Doctor Horner is always professional, concerned and extremely personable in all our interactions. She has to be one of the best!

Professional, Knowledgeable, Compassionate, and Caring

Dr. Horner is an outstanding physician, and I’m glad I have been able to be a patient under her care. She is professional, knowledgeable, compassionate, and caring.

The Best

Mary Horner is the best!!

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