Karin I. Harp MD, FAAD, FASDS
Dr. Karin Harp, MD, FAAD, is a distinguished board-certified dermatologist and the founder of Apex Dermatology in Westlake Village, California. With over 20 years of experience, she excels in regenerative dermatology, laser medicine and aesthetics, offering treatments like laser skin resurfacing, natural facial shaping, body contouring and precision injectables. Dr. Harp is adept at managing complex skin conditions such as acne, rosacea, eczema and psoriasis and performs surgical procedures, including Mohs micrographic surgery. A graduate of the University of Washington School of Medicine, she was inducted into the Alpha Omega Alpha Honor Medical Society. She is affiliated with esteemed organizations like the American Academy of Dermatology, American Society for Dermatologic Surgery, American Laser Medicine Society, and the American Society for Mohs Surgery. These affiliations ensure her practice remains at the forefront of dermatological care. Dr. Harp’s philosophy centers on creating customized treatment plans tailored to individual needs, fostering positive self-confidence, and promoting overall well-being. Her commitment to innovation, personalized care, leadership and lifelong learning makes her a trusted clinician for those seeking transformative health and aesthetic solutions.
Aria Vazirnia, MD, FAAD, FASDS
Dr. Aria Vazirnia, MD, FAAD, is a highly respected board-certified dermatologist with a focus on medical, surgical, and cosmetic dermatology. A Harvard-trained expert, he excels in minimally invasive procedures such as laser treatments, injectables, and body contouring. Dr. Aria completed his medical degree and dermatology residency at UC San Diego School of Medicine, where he also earned a master’s in clinical research. He is an active member of the California Society of Dermatology & Dermatologic Surgery and the American Society for Laser Medicine & Surgery, reflecting his dedication to advancing dermatological care and patient well-being.
Nikki Tang, MD, FAAD, FACMS
Dr. Nikki Tang, MD, FAAD, FACMS, is a respected double board-certified dermatologist and Mohs Micrographic Surgeon based in Westlake Village, CA. With extensive training from Brown University and Mount Sinai Hospital, Dr. Tang specializes in the surgical treatment of skin cancers, including melanoma, basal cell carcinoma, and squamous cell carcinoma. Her expertise in Mohs surgery and complex wound reconstruction is backed by her role as former Director of Cutaneous Surgery and Oncology at Johns Hopkins School of Medicine. A fellow of the American College of Mohs Surgery, Dr. Tang is committed to providing compassionate, high-quality care with excellent outcomes.
Mary Hanna MSN, NP-BC
Mary Hanna, NP-BC, is a highly skilled Nurse Practitioner based in Westlake Village, CA, at Apex Dermatology. With a Master of Science degree from the Massachusetts General Hospital Institute of Health Professions, affiliated with Harvard, Mary is nationally Board-Certified by the ANCC. Her expertise in dermatology was honed during a prestigious clinical rotation at Boston Medical Center. Mary excels in laser resurfacing, body contouring, and injectables and is dedicated to educating her patients. Her compassionate approach ensures patients feel empowered in their healthcare, enhancing their overall well-being. Mary is a trusted provider, committed to delivering exceptional care.
Alexandra Woodruff, MPAS, PA-C
Alexandra Woodruff, PA-C, is a compassionate Certified Physician Assistant at Apex Dermatology in Westlake Village, CA. Her journey into dermatology began in high school, inspired by her own experiences with hormonal acne. Since 2016, Alexandra has been dedicated to understanding the connection between metabolic health and skin conditions. She holds a master’s degree from the Massachusetts College of Pharmacy and Health Sciences and is board-certified by the National Commission on Certification of Physician Assistants. As a member of the Society of Dermatology Physician Assistants and the California Dermatology PA Society, Alexandra is committed to providing exceptional patient care.
Lani Keene, LE
Lani Keene, a licensed aesthetician in Westlake Village, CA, has been enhancing skin health since 1998. With over 25 years of experience in both medical and holistic skincare, she offers personalized treatments that deliver outstanding results. At Apex Dermatology, Lani is renowned for her gentle touch and warm demeanor, making her a top choice for those dealing with sunspots, acne, and fine lines. Her dedication to individualized care and extensive expertise make her a trusted professional in aesthetics, helping clients achieve their best looks and feel confident.
Sherri Anderson, MSHS, PA-C
Sherri Anderson, MSHS, PA-C, is a highly experienced dermatologist with over 15 years of clinical practice. She earned her Master of Science from George Washington University and is board-certified by the National Commission on the Certification of Physician Assistants. Sherri is a respected member of the Society of Dermatology Physician Assistants and the California Dermatology PA Society. Her extensive expertise spans dermatology, plastic surgery, and emergency medicine. Known for her warm manner and aesthetic talents, Sherri is dedicated to providing personalized care, ensuring each patient feels valued and receives natural results from cosmetic procedures.
Zoe Andrews, LE
Zoe Andrews is a licensed Medical Aesthetician with extensive experience in clinical and cosmetic skincare. Since February 2025, she has been a dedicated professional at Apex Dermatology, performing advanced treatments like medical-grade facials, chemical peels, and HydraFacials. Zoe holds a Certificate in Aesthetics from Simi Institute and an Associate’s Degree from Pierce College. As a SkinCeuticals Ambassador, she is committed to educating clients on effective skincare routines. Her expertise, attention to detail, and dedication to client care make her a trusted authority in skincare.
