About John Sobotka, PA-C
John Sobotka, MS, PA-C is a board-certified physician assistant and has more than 16 years of dermatology experience. He enjoys working with patients of all ages and specializes in medical dermatology.
Patient Education Resources
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...
Actinic keratoses (AKs) are precancerous skin lesions that can develop into squamous cell carcinoma, a type of skin cancer. Treatment options for AKs include:Cryotherapy: This procedure involves freez...
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...
Ocular rosacea is a subtype of rosacea that affects the eyes, and it can cause symptoms such as redness, itching, burning, and a gritty sensation in the eyes. Treatment for ocular rosacea typically in...
Education & Training
John has earned a Bachelors Degree in Biology and a Masters Degree in Physician Assistant Studies from Wayne State University.
Ferrara Dermatology Clinic, PC

Ferrara Dermatology Clinic PC is a full-service dermatology practice established in Grosse Pointe Woods, Michigan in 1958 by Dr. Richard Ferrara, Sr. to offer comprehensive dermatologic, medical, surgical and aesthetic services.
Our team, led by Dr. Richard Ferrara, Jr. and Dr. Katherine Caretti, focuses on overall skin wellness, preventative skin care and, with the support of a highly-trained medical staff, have the ability to manage a wide range of medical and aesthetic dermatology. From routine yearly skin examinations to the management of skin cancer and other skin conditions such as acne, psoriasis and eczema, our practice provides individualized, comprehensive services to help you maintain healthy skin throughout the stages of your life.
An expanded facility and our continued focus on modern technology and the top-of-the-line treatments make Ferrara Dermatology an ideal place to meet your family’s skin care needs.
We also provide cosmetic services through the Skin & Laser Center of Grosse Pointe in our shared building, under the medical direction of Dr. Ferrara and Dr. Caretti.