About Mara Limoncelli, PA-C
Mara Limoncelli, PA-C is a board-certified physician assistant providing care at Knott Street Dermatology. She joined Knott Street Dermatology in 2016 and has had extensive training and mentorship by Dr. Hanson.
Patient Education Resources
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...
There is some evidence to suggest that diet can play a role in the development of acne. Studies have found that a diet high in sugar and processed foods can increase the risk of developing acne. Diets...
Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It affects about 2-3% of the population. People with psoriasis are at an increased risk of developing a form of arthri...
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
Treatment for nail fungus (onychomycosis) can be challenging, as the fungus can be difficult to eliminate and may recur. Treatment options include:Topical antifungal medication: Over-the-counter antif...
Education & Training
Mara Limoncelli graduated from D’Youville College in Buffalo, NY with a combined Bachelors/Masters in Physician Assistant studies. She began her career working at an urgent care in Burlington, Vermont before moving to the Portland area in 2012 to join a family medicine practice.
Knott Street Dermatology

Knott Street Dermatology provides quality skin, hair, and nail care incorporating current medical and surgical practices for optimal dermatological health.
With a primary focus on treating skin cancer, we offer Mohs Surgery and an in-house pathology laboratory.
Knott Street Dermatology also has an aesthetic department offering a full array of cosmetic procedures.
Our providers accept most insurance carriers, and are available in two locations to treat all of your skin, hair, and nail needs.