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Meet Our Great Physicians and Physician’s Assistant Staff

Dr. Nancy McCullum


Dr. Nancy McCullum is a graduate of The George Washington School of Medicine and Health Sciences. She completed her residency in Family Practice at the University of Pittsburgh Medical Center St. Margaret. Dr. McCullum practiced as a board certified family physician in York prior to turning her attention to cosmetic dermatology. Over the past seventeen plus years of practicing cosmetic dermatology, Dr. McCullum has pioneered the use of Botox, cosmetic fillers and laser treatments in both York and Adams Counties. She is also an expert in Sclerotherapy treatment for over thirty years.

Dr. McCullum’s goal is to provide her clients with the best possible outcomes and experience in meeting their cosmetic goals. Thanks to her attention to detail and expertise, Dr. McCullum has enabled her clients to achieve younger and healthier looking skin. She continues to update her knowledge of cosmetic treatments and services through various master training courses and has been the first physician in the York market to receive training on new injectable treatments through our partner companies.

Kathryn Nicholson, M.D.


Dr. Kathryn Nicholson graduated cum laude from Princeton University with a major in Chemistry and a minor in Biology and Engineering. She received her MD degree from the Penn State University in Hershey, PA. She completed her internship and residency in Internal Medicine at Brown University in Providence, RI, where she also served an additional year as Chief Medical Resident. Following a fellowship in Nephrology at Harvard, Dr. Nicholson spent the next several years practicing as a board certified Internist and Nephrologist.

Dr. Nicholson has now turned her medical expertise to the field of cosmetic dermatology. She will be providing a full spectrum of cosmetic treatments and looks forward to helping our patients with their skin care goals. Dr. Nicholson provides services Thursdays and Fridays from 9:00 am – 2:00 pm.

Kelly P. McNulty, PA-C

Physician Assistant

Kelly P. McNulty holds a Master of Science in Physician Assistant Studies from King’s College in Wilkes Barre, PA. She graduated from Gannon University with a Bachelor of Science degree in Elementary Education. Kelly has over 7 1/2 years’ experience in orthopedics. Prior to her pursuing her career as a Physician Assistant, Kelly worked in education teaching first and second grade.

Kelly provides comprehensive medical and cosmetic dermatology care, including diagnosing and treating skin cancers and other skin conditions, like acne, warts, eczema and psoriasis. She is passionate about educating patients regarding the importance of sun protection to prevent skin cancer and to maintain healthy beautiful skin. Kelly provides services on Thursdays from 3:00 pm to 7:00 pm.

Call Today to Schedule an Appointment!