Schweiger Dermatology Group is the leading provider of medical and cosmetic dermatology services in the Northeast. With multiple locations throughout New York, New Jersey and Pennsylvania, our mission is to make top dermatology care accessible to all with same day and weekend appointment availability as well as extended hours. Our team of award-winning dermatology providers deliver the ultimate patient experience, which includes access to best-in-class treatments and services in both medical and cosmetic dermatology in modern, beautiful, and convenient offices.

Penelope Cohen, M.D. is a board-certified dermatologist at Schweiger Dermatology Group in Somerset, New Jersey. Dr. Cohen specializes in medical and cosmetic dermatology. Her areas of expertise include skin cancer treatment, mohs surgery, acne treatments, pediatric dermatology, skin of color dermatology, and hair loss. Dr. Cohen has been in practice in the Somerset area for more than 30 years. She received her Bachelor of Arts degree from Northwestern University and her medical degree from the University of Medicine and Dentistry at New Jersey Medical School. Dr. Cohen completed her residency in dermatology from New York Medical College.

Samone Desai is a certified Physician Assistant at Schweiger Dermatology Group. She graduated from St. John's University where she received her degree in Physician Assistant studies. Samone completed the Schweiger Dermatology Group Physician Assistant Fellowship, where she trained alongside top dermatology providers and gained firsthand experience in both cosmetic and medical dermatology. Samone is dedicated to providing high quality, patient-centered care.

Jarrett Kaczmarski, PA-C Jarrett Kaczmarski is a licensed Physician Assistant with experience in medical, surgical and cosmetic dermatology. He has successfully treated both pediatric and adult populations and patients of all skin types. Jarrett graduated from the New York Institute of Technology with Magna Cum Laude honors, earning Bachelor of Science Degree in Behavioral Sciences. In 2001, Mr. Kaczmarski graduated from University of New England, earning a Masters in Science Physician Assistant Studies. In 2008, Mr. Kaczmarski was recognized by the National Health Service Corps for his professional dedication to under served communities.

Mollie Salmon is a certified Nurse Practitioner specializing in medical, surgical, and cosmetic dermatology at Schweiger Dermatology Group. She practices in Somerset and Princeton, New Jersey. Mollie earned her Bachelor of Science in Nursing degree from Ramapo College of New Jersey and subsequently attained her Doctor of Nursing Practice degree from Rutgers University, specializing in the Family Nurse Practitioner Program. Before starting her career as a dermatology nurse practitioner, she worked as a pediatric nurse in both inpatient and outpatient settings. She plans to treat patients of all ages.