About Dr. Teri McGillis, MD
Teri Mc Gillis is a board-certified dermatologist and a fellowship-trained MOHS surgeon. She is originally from California and her father is a dermatologist.
Dr. McGillis is internationally recognized, having spoken or taught in such places as Singapore, Indonesia, Israel, Brazil, and Germany as well as throughout the United States. She has published many articles and written book chapters to help advance her specialty. She came to Lancaster in 2007 to bring her expertise to the area.
Patient Education Resources
Here are some basic acne skin care tips that may help to reduce the appearance and severity of acne:Cleanse your skin gently: Use a mild, non-abrasive cleanser to wash your face twice a day. Avoid usi...
The best treatment for warts will depend on the type and location of the wart, as well as the patient's overall health and preferences. Some common treatment options for warts include:Salicylic ac...
Facial rejuvenation refers to a variety of cosmetic treatments that are designed to improve the appearance of the face and make it look more youthful. These treatments can include a combination of non...
Treatment for psoriasis on the scalp typically involves a combination of topical and systemic therapies.Topical treatments include:Shampoos containing salicylic acid, coal tar, or sulfur, which can he...
Treatment for skin cancer will depend on the type and stage of the cancer, as well as the location and size of the tumor, and the patient's overall health. The main treatment options for skin canc...
Education & Training
Dr. McGillis graduated from The University of California at Davis Medical School. Her internship was in San Francisco and residency at U.C. Davis. She was selected to complete a post-graduate fellowship in dermatologic surgery at the Cleveland Clinic where she concentrated on cosmetics, laser therapies and treatment of skin cancer. She remained on staff for almost 20 years.
Dermatology Physicians

Dermatology Physicians and Laser & Skin Care Center are proud to serve the Lancaster County area including Lancaster, Lititz, Ephrata, Manheim, Columbia, East Petersburg, Willow Street and the Willow Valley Retirement Community in Pennsylvania.
The mission of Dermatology Physicians is to deliver personalized service along with ethical, skilled, and comprehensive care. Our renowned physicians offer a broad range of diagnostic and therapeutic procedures, providing patients with unparalleled service. This vision is the cornerstone of who we are and what we do.
Our Laser and Skin Care Center is led by Dr. Patricia Groleau, a Board Certified Dermatologist. She specializes in the fields of cosmetic injectables (Botox, Juvederm, Voluma, Radiesse, Restylane, Sculptra, Kybella) and laser resurfacing.