About Us The ten board certified physicians who now comprise the medical staff of Anne Arundel Dermatology are highly regarded professionals within the community.  The backbone of services provided by Anne Arundel Dermatology is the staff of general dermatologists, Dr. Angela Peterman, Dr. Richard Pfau, Dr. Justin Roscoe, Dr. Jennifer Gamber, Dr. Marjorie Gwynn, Dr. Wendy Lee, Dr. Sammy Kang, Dr. Kelly McGuigan, Dr. Cheryl Lonergan and Dr. A. Howland Hartley.  While most of the group’s physicians provide the full range of dermatology services, several of them also have areas of specialization.  Dr. Allan Harrington and Dr. Mary Farley board certified Mohs surgeons, provide highly specialized treatment of skin cancer lesions.   Physician Assistants, Melissa Veneracion, Ann Odle and Amy Hoffman, work with Dr. Allan Harrington and Dr. Mary Farley in the care of skin cancer patients.  Nurse Practitioner, Janet Benton has joined our practice effective January 2010.  Our cosmetic dermatologists along with our aesthetician, Coleen Barrack provide the latest in cosmetic approaches for skin care and facial rejuvenation.