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
The length of time it takes to remove a tattoo depends on several factors, including the size, location, and color of the tattoo, as well as the individual's skin type and overall health.The most ...
Click on the product image to access medication savings or support services offered by the manufacturer In most cases, this form must be submitted along with proof of having purchased the medi...
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...
Acne scars can be treated with a variety of methods, including:Topical treatments: Topical creams and gels containing ingredients such as retinoids, hydroquinone, and vitamin C can help to reduce the ...
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...
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.