Our Providers

All professionals at Dermatology Associates of Lancaster maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field. Read on to learn more about our staff's experience and training.

Jeanette L. Hebel, MD, FAAD

Dermatologists Lancaster | Dr. Jeanette L. Hebel

Dr. Hebel graduated from medical school at the University of Pittsburgh School of Medicine. She then joined the Navy where she completed a transitional internship at the National Naval Medical Center and her residency in Dermatology at the Naval Medical Center in San Diego. She was Board certified in Dermatology in 2000. Because she wanted to specialize in skin cancer, Dr. Hebel went on to pursue a fellowship in Mohs Surgery at the Skin Surgery Center in Winston-Salem, NC. After completing thirteen years on active duty in the Navy she returned to her native Lancaster to practice Mohs Surgery at Dermatology Associates of Lancaster. She is on active staff at Lancaster General Hospital. Dr. Hebel is a fellow of the American Academy of Dermatology and the American College of Mohs Surgery. She is a member of the Pennsylvania Academy of Dermatology and the Lancaster City & County Medical Society. She has coauthored multiple articles in peer-reviewed medical journals and also coauthored two chapters in the online eMedicine textbook.


Jennifer A. Sceppa, MD, FAAD, FASDP

Dermatologists Lancaster | Dr. Jennifer A. Sceppa

A Board certified Dermatologist and Dermatopathologist, Dr. Sceppa graduated from Cornell University with Distinction in All Subjects, receiving a BA in biology. While at Cornell, she was chosen from the top 5% of her class to be a Merrill Presidential Scholar and was elected to the Phi Beta Kappa Honor Society. She attended the University of Pennsylvania School of Medicine for her medical training where she was elected to the Alpha Omega Alpha Honor Society. She completed her Dermatology residency at Penn State Milton S. Hershey Medical Center, serving as chief resident in her final year there. She pursued further subspecialty training during a Dermatopathology fellowship at the Ackerman Academy of Dermatopathology/SUNY Downstate in New York City. She has coauthored multiple articles in peer-reviewed medical journals regarding her research in dermatology and dermatopathology, and has also coauthored a book on mycosis fungoides with the late A. Bernard Ackerman, one of the founding figures in dermatopathology.

Dr. Sceppa specializes in the diagnosis and treatment of all skin conditions, including skin cancer, acne, psoriasis, hair loss, eczema, and other skin rashes. She is also able to provide in-office diagnosis of biopsies of various skin conditions and growths. Dr. Sceppa is a fellow of the American Academy of Dermatology and the American Society of Dermatopathology, and is a member of the Pennsylvania Academy of Dermatology. She is on active staff at Lancaster General Hospital.

Christina N. Lawson, MD, FAAD

Christina N. Lawson, MD, FAAD

Dr. Lawson, a native of Lancaster County, graduated from the University of Maryland majoring in neurobiology and physiology in 2006. She obtained her medical degree from Howard University College of Medicine in 2011, in which she graduated in the top five percent of her class. She completed her residency in dermatology at Howard University Hospital in 2015, where she served as Chief Resident during her final year. Dr. Lawson received her Board Certification in Dermatology in 2015. She is a Fellow of the American Academy of Dermatology. Her memberships include the Alpha Omega Alpha Honor Medical Society, American Society for Dermatologic Surgery, Women’s Dermatologic Society, Skin of Color Society, Pennsylvania Academy of Dermatology and Dermatologic Surgery, Philadelphia Dermatologic Society, and Pennsylvania Medical Society. She has published multiple peer-reviewed journal articles and is the author of a chapter entitled “Acne and Rosacea” in the textbook “Dermatoanthropology of Ethnic Skin and Hair.” She is skilled in all areas of medical dermatology, including the diagnosis and treatment of skin cancer, acne, atopic dermatitis, and psoriasis. She also performs various dermatologic procedures for both benign and malignant neoplasms of the skin. She has a particular interest in ethnic skin care and hair loss. She is on active staff at Lancaster General Hospital.


Sara Marian Lucking, MD, FAAD

Sara Marian Lucking, MD, FAAD

Dr. Lucking, a native central Pennsylvanian, graduated from Gettysburg College with a Bachelor of Sciences in Biology and then completed a Master of Science in Integrative Physiology at the University of Colorado at Boulder. She then obtained her medical degree from the Pennsylvania State University College of Medicine and completed her dermatology residency at the University of New Mexico in Albuquerque, NM. Dr. Lucking is looking forward to using her expertise to care for the patients of Lancaster County in all aspects of dermatology including general, medical, pediatric, and surgical. She is on active staff at Lancaster General Hospital.


Joanne Smucker Rill, MD, FAAD

Joanne Rill

A native of Lancaster, Dr. Rill attended Eastern Mennonite University for her undergraduate education. She then graduated from the Pennsylvania State University College of Medicine in 2013. Dr. Rill completed her internal medicine internship and dermatology residency at the Penn State Milton S. Hershey Medical Center where during her final year of residency she served as the Chief Administrative Resident. Her professional society memberships include the Alpha Omega Alpha Medical Honor Society, the Gold Humanism Honors Society, and the American Academy of Dermatology. She is adept at general, pediatric, medical, and surgical dermatology. She has specific interest in cutaneous malignancies, acne, psoriasis, and bullous diseases. She is excited to be joining the outstanding team at Dermatology Associates of Lancaster and looking forward to practicing and serving her home community of Lancaster.


Desiree A. Antonacci, MS, PA-C

Desiree A. Antonacci, MS, PA-C

Desiree received her Bachelor of Science degree in chemistry from West Chester University, West Chester, Pennsylvania. She has extensive experience working as a research chemist at several international pharmaceutical companies. She received her Master of Science degree in Health Services from Philadelphia College of Osteopathic Medicine, Philadelphia, Pennsylvania. Prior to joining our practice, she worked in internal medicine in Bryn Mawr, Pennsylvania and in rheumatology in Dunedin, Florida. Her experience in rheumatology gives her advanced knowledge in the treatment of autoimmune and joint disorders.


Hayley Dietrich, MS, PA-C

Hayley Dietrich, a native of Berks County, is ecstatic to be joining the Dermatology Associates of Lancaster team. After finishing her undergraduate degree in Biological Sciences at Clemson University, she attended Thomas Jefferson University in Philadelphia, PA. While at Jefferson, she received her Master of Science in Physician Assistant Studies. Her professional society memberships include the Society of Dermatology Physician Assistants, the American Academy of Physician Assistants and the Pennsylvania Society of Physician Assistants. Hayley is looking forward to providing dermatologic care to patients in Lancaster County.


Amanda M. Conroy, BSN, CRNP

Amanda M. Conroy, BSN, CRNP

Amanda Conroy earned both her Bachelor of Science in Nursing and Master of Science in Nursing degrees as a Family Nurse Practitioner from Millersville University in 2014 and 2017 respectively. She is a member of the National Academy of Dermatology Nurse Practitioners, the American Academy of Nurse Practitioners, and the Pennsylvania Coalition of Nurse Practitioners.

Prior to joining the practice, Amanda worked as an acute care Registered Nurse for 10 years. She has always had an interest in dermatology, including the recognition of skin cancers and diagnosis and treatment of acne, rosacea and eczema. Amanda is excited to provide all aspects of dermatologic care to patients in her native Lancaster County.


Erica M. Lehman, BSN, CRNP

Amanda M. Conroy, BSN, CRNP

Erica M. Lehman is excited to provide dermatological care to the community in which she was raised. An alumna of Lancaster Catholic High School, she graduated Maxima Cum Laude from La Salle University in Philadelphia, PA with a Bachelor of Science in Nursing. After several years in the field, Erica continued her healthcare education at Millersville University where she obtained a Master of Science in Nursing. The focus of her research during this time centered around dermatology – particularly acne in adult women and the psychosocial effects of skin disorders. During her training, Erica rotated in family medicine, internal medicine, and completed an internship with Dermatology Associates of Lancaster.

Prior to joining the practice, Erica spent eight years caring for patients of all ages in several different acute care settings. These included medical surgical units, operating rooms, as well as emergency departments. She received the DAISY Award for extraordinary nurses while working in Pittsburgh, PA and the D. Joan Godfrey Nursing Award during her studies at Millersville University. Erica is a member of the American Academy of Nurse Practitioners and is an active member of the Junior League of Lancaster.