Patagonia Dermatology, PLLC is a dermatology practice in McKinney, Texas, led by board-certified dermatologist Lucas Cavallin, MD, PhD. The practice provides medical, surgical, pediatric, and procedural dermatology, with care focused on diagnosing and treating a wide range of skin diseases. Its services also include cosmetic dermatology, and the practice offers information for patients on topics such as hair loss, infections and infestations, precancers and skin cancers, skin care, skin conditions, and skin growths.

Dr. Cavallin and his team describe their approach as advanced and compassionate, welcoming patients and families seeking dermatological care. Patagonia Dermatology accepts a number of insurance plans, including Aetna, Blue Cross Blue Shield, Cigna, Humana, Medicare, Molina, Oscar, and United Healthcare; patients can contact the office to confirm coverage. Appointments can be requested by phone or text.

The practice is located at 1400 N Coit Road, Suite 501, McKinney, Texas. Its regular office hours are Monday through Friday, 7:30 a.m. to 4:00 p.m.; it is closed on weekends.