About Us

Katherine Evans, MD, FAAD, is a board certified dermatologist who has been with Pennsylvania Dermatology Group since 2012. Dr. Evans completed her undergraduate study at the University of Pennsylvania and received her M.D. degree from the University of Pennsylvania’s School of Medicine in 2007, where she graduated with honors and received many academic distinctions, including election into the Alpha Omega Alpha honor society. Following a one year Internal Medicine Internship at Pennsylvania Hospital, she completed her Dermatology residency at the University of Pennsylvania, immediately after which she obtained her board certification from the American Board of Dermatology. During her residency, Dr. Evans served as a Medical Student Educator, training medical students and future doctors in dermatology. She gained additional clinical training during a yearlong fellowship focusing on skin cancer diagnosis and treatment and enjoys practicing general medical and surgical dermatology.

Dr. Evans has published many articles in peer-reviewed medical journals including the Journal of the American Academy of Dermatology and JAMA Dermatology. She lives with her husband and 3 children. Although raised in New Jersey, she has lived in the Philadelphia area since the beginning of college. When not caring for patients, she enjoys walking in the Wissahickon, trying new recipes, and relaxing with her family.

David Enis, MD, PhD, FAAD, is a board certified dermatologist who joined the Pennsylvania Dermatology Group in 2015. Dr. Enis grew up in Oklahoma City, Oklahoma, and graduated Summa Cum Laude as the top graduate in the Arts and Sciences from Southern Methodist University. He went on to pursue combined M.D. and Ph.D. degrees at Yale University School of Medicine. After graduating in 2006, he moved to Boston for a one-year internship in Internal Medicine at Harvard Medical School’s Brigham and Women’s Hospital. He then completed his residency in Dermatology at the University of Pennsylvania School of Medicine, immediately after which he obtained his board certification from the American Board of Dermatology. Dr. Enis remained at the University of Pennsylvania as a member of the Dermatology faculty for four years before joining Pennsylvania Dermatology Group. In addition to his own clinical practice at U. Penn, Dr. Enis was also involved in teaching residents and medical students. He has done groundbreaking research on signaling pathways in development and function of the lymphatic system, work that will increase our understanding of many areas of skin disease and cancer metastasis. Awarded to innovative investigators and master clinicians in dermatology, in 2011 he was the recipient of Physician-Scientist Career Development Awards from both the Dermatology Foundation and the National Institutes of Health.

Dr. Enis has co-authored many articles in peer-reviewed medical and science journals including the Proceedings of the National Academy of Sciences, Blood (journal), and Journal of Experimental Medicine, and he has co-authored a review for Annual Review of Immunology. He has presented lectures at national and international meetings, including the American Academy of Dermatology, and multiple presentations at the Society of Investigative Dermatology, including a plenary presentation. He enjoys seeing patients of all ages, and his practice encompasses the full range of medical, pediatric, and surgical dermatology, including management of skin cancer. Outside of work, he enjoys photography and spending time with his wife and two young daughters.

Francesca Wolfe-Burgi earned her Masters in Physician Assistant Studies from Thomas Jefferson University. She furthered her training by completing a dermatology fellowship program through the Society of Dermatology Physician Assistants (SDPA). She is currently in practice at Pennsylvania Dermatology Group and teaches general dermatology to Physician Assistant students at Thomas Jefferson University. Previously, she practiced in Yardley, PA.

Francesca is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is licensed in Pennsylvania and New Jersey. Her professional affiliations include the International Dermoscopy Society, American Academy of Physician Assistants (AAPA) and the Society of Dermatology Physician Assistants (SDPA) of which she served as the continuing medical education (CME) co-chair. Francesca is also a member of the Pennsylvania Dermatology Physician Assistants (PDPA) and served on their board of directors. She has been published in the Journal of Dermatology Physician Assistants and was guest editor of the Journal of Clinical and Aesthetic Dermatology NP + PA Perspectives in Dermatology.

Francesca treats patients of all ages and ethnicities in medical and surgical dermatology. Her special interests include dermoscopy, psoriasis, acne and skin cancer.

Francesca lives in Jenkintown with her husband and children. She is always on the hunt for new recipes, wines and books!

Hannah Rodriguez, MPAS, PA-C is a dermatology Physician Assistant (PA) who joined Pennsylvania Dermatology Group in February 2020. She is certified by the National Commission for Certification of Physician Assistants (NCCPA) and is licensed in Pennsylvania. Hannah completed her undergraduate studies at The University of Kentucky, and received her Master of Physician Assistant Studies at The University of Texas Southwestern Medical Center in 2014.

We are proud to say that The National Society of Dermatology Physician Assistants selected Hannah as “Dermatology PA of the Year” in 2024 for her contributions to the PA profession, and continued dedication to excellence in patient care. Hannah served from 2022-2024 as President of the Pennsylvania Dermatology Physician Assistants, and prior to this role she served as Secretary/Treasurer for 4 years. She has also been on the Board of Directors for the National Society of Dermatology Physician Assistants (SDPA) serving as Director at Large. In 2019 she was voted “Committee Chair of the Year” by the SDPA after serving as Legislative Committee Chair where she organized a day on Capital Hill for Dermatology PAs. She has twice been selected as a top physician assistant from FindatopDoc in Pennsylvania.

She sees patients of all ages and has special interests in skin cancer, preventative skin exams, psoriasis, eczema, hidradenitis suppurativa and other autoimmune disorders. When not working, she enjoys traveling, golfing and spending time with her husband, two sons and her airedale terrier.

Thomas Regan, MD, FAAD, is a board certified dermatologist who specializes in Mohs Microscopic Surgery. A native of Upper Darby, he completed his undergraduate study at Ursinus College and received his M.D. degree from Thomas Jefferson University Jefferson Medical College. A recipient of the military’s HPSP scholarship, he served 8 years in the United States Army after graduating from medical school. Following an internship at Walter Reed Army Medical Center, Dr. Regan served as the Flight Surgeon for the 3rd Squadron 6th Cavalry Regiment in South Korea. He completed his Dermatology residency training at the Naval Medical Center in San Diego, California, immediately after which he obtained his board certification from the American Board of Dermatology. He was then asked to join the teaching staff at one of the nation’s largest dermatology residency programs at the combined Brooke Army Medical Center and Wilford Hall Medical Center in San Antonio, Texas. During his time there, Dr. Regan established and directed the department’s first laser and procedural dermatology clinic.

In 2009, he deployed as the Battalion Surgeon for the 1st Squadron, 10th Cavalry Regiment and commanded a Level I Aid Station during combat operations in southern Iraq. After finishing his military service, Dr. Regan completed an American College of Mohs Surgery (ACMS) and ACGME approved fellowship in Mohs Micrographic Surgery and Procedural Dermatology at Cooper University Hospital with specialized training in skin cancer and reconstructive surgery. Dr. Regan has lectured at several national medical meetings including the annual conferences for the American Academy of Dermatology and the American Society for Laser Medicine and Surgery. He has also published in many prominent medical journals to include the New England Journal of Medicine, the Journal of the American Academy of Dermatology, and the Dermatologic Surgery Journal.

Austin Liu, MD, FAAD, is a board certified dermatologist who specializes in Mohs Micrographic Surgery. A New York native, Dr. Liu attended SUNY Upstate Medical University in Syracuse, New York where he graduated with honors as a member of the Alpha Omega Alpha honor society. He completed his internship in Internal Medicine at the Warren Alpert Medical School at Brown University in Providence, Rhode Island. He then completed his training in Dermatology at the Henry Ford Health System in Detroit, Michigan and served as Chief Resident in the Department of Dermatology. After finishing Dermatology residency, Dr. Liu completed training in an American College of Mohs Surgery (ACMS) and ACGME approved fellowship in Mohs Micrographic Surgery and Procedural Dermatology at Cooper University Hospital.

Dr. Liu has authored numerous articles in prominent medical journals and lectured at several annual Dermatology and dermatologic surgery symposiums. Dr. Liu is a Diplomate of the American Board of Dermatology, a Fellow of the American Academy of Dermatology, and a member of the American College of Mohs Surgery. Outside of the office, he enjoys running, exercising, trying healthy recipes, new cuisines, and craft beers.

Emily Dando, MD, FAAD is a board-certified dermatologist who specializes in Mohs micrographic surgery. Dr. Dando is from Pittsburgh, Pennsylvania. She earned a Bachelor of Arts in biological sciences with a concentration in biochemistry from Cornell University. She was recognized as a Merrill Presidential Scholar, having graduated with the highest grade point average in the College of Arts and Sciences, and was inducted into the Phi Beta Kappa Honor Society. She then attended the University of Pittsburgh School of Medicine, graduating Cum Laude and earning admission to the Alpha Omega Alpha Honor Society. She completed an internal medicine preliminary internship at the University of Utah. She then returned to Pittsburgh for her dermatology residency, where she served as chief resident in her final year and received awards for superior achievement in patient care, medical education, and dermatology service. She remained at the University of Pittsburgh to complete a fellowship in Micrographic Surgery and Dermatologic Oncology, accredited by the Accreditation Council for Graduate Medical Education.

Dr. Dando has authored publications in many peer-reviewed journals, including Dermatologic Surgery, and has presented at national conferences, including the American Academy of Dermatology Annual Meeting. She was awarded a prestigious research mentorship grant from the American College of Mohs Surgery during her fellowship. Outside of the office, she enjoys biking, cooking, and learning to play tennis with her husband.