Meet Our Staff


Meet Ashraf M. Hassanein, MD, Ph D

Dr. Hassanein — Dermatologic Surgeons in The Villages, FL
Dr. Hassanein is a graduate of the University of Cairo School of Medicine. He completed a residency in Dermatology and a PhD program in the immunohistochemistry of adnexal skin neoplasms. He completed residencies in Anatomic and Clinical Pathology at the Medical College of Pennsylvania and fellowship training in Dermatopathology at Hahnemann University School of Medicine and a fellowship in Mohs skin surgery at the Center for Dermatology and Skin Surgery in Tampa. Dr. Hassanein is board certified in Dermatology by the American Board of Physician Specialties. He is also board certified in Anatomic and Clinical Pathology by the American Board of Pathology and board certified in dermatopathology by the American Boards of Pathology and Dermatology. He served as clinical associate professor of Pathology and Dermatology at the University of Florida College of Medicine and was the founder, chief and program director of the dermatopathology fellowship training program. He has published extensively in Dermatology and Dermatopathology and is currently the Medical Director of Florida Pathology and Florida Dermatologic Surgery and Aesthetics Institute in the Villages and Clermont, Florida.

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Sandra B. Lopez, PA-C

Sandra grew up in Columbia, South America, where she graduated from medical school and moved to Florida in 1999. She continued her education in the U.S. and graduated with honors as a Physician Assistant from Miami Dade College and is a certified Surgical Physician Assistant. Sandra chose dermatology as her specialty because of the diversity of the field; her passion is dermatologic surgery procedures. When working with patients, Sandra emphasizes her role as an educator, enjoys spending time with her patients, properly answering questions regarding skin cancer, skin care, and any other dermatologic questions. She performs very thorough examinations and offers compassionate care to all her patients. She believes in developing relationships that help her patients feel comfortable and understand the importance of prevention and early detection of skin cancer. Sandra, based on her experience as a Dermatology Surgical Physician Assistant, is able to diagnose and treat patients in all areas of Dermatology under the supervision of Dr. Hassanein. Away from work, Sandra enjoys spending time with her husband and three beautiful young children.
Sandra Lopez — Dermatologic Surgeons in The Villages, FL


Rosy has been a practicing Physician Assistant for 14 years. She earned her Bachelor of Science Degree from New Mexico State University and her Masters in Physician Assistant Studies from Wayne State University, Detroit, MI. Rosy is passionate about dermatology and early skin cancer detection. She performs skin cancer screening and specializes in the treatment of all skin, hair and nail disorders. She is experienced in performing surgical procedures such as skin cancer excisions and cosmetic procedures including ablative/non-ablative laser, IPL, laser tattoo removal, laser hair removal, Botox and dermal fillers. She is board certified by the National Commission on Certification of Physician Assistants and holds active membership with the Florida Society of Dermatology Physician Assistants.
Rosy — Physician Assistant in The Villages, FL