Daniel M Rosenthal, MD is a board-certified physician, specializing in Dermatology. With an office conveniently located in North Merrick, NY, Dr. Rosenthal provides expert medical and cosmetic skin care for adults and children. Whether you need treatment for a skin condition or are seeking healthier, younger-looking skin, we can help. Optum dermatologists specialize in treating acne, alopecia, eczema, skin cancer, pediatric dermatology conditions, lentigo, psoriasis and much more. Our team also provides a range of diagnostic testing and treatment services including skin biopsies, Botox, chemical peel, Juvederm, patch testing and more.