Lindsay Geigel has been with Advanced Dermatology & Cosmetic Surgery for 19 years and currently manages Administrative Medical Assistants and Biologics Coordinators for ADCS. Prior to her current role at ADCS, she worked as a Medical Assistant, assisting Clinicians and patients with general dermatology. During this time, she learned the many different types of skin conditions and proper treatment for each condition, as well as particulars and details of the prior authorization and biologics medication process. Her goal for her team is to ensure all patients receive their medications as smoothly and efficiently as possible.

Andrea Nguyen, MS, PA-C, is a certified physician assistant practicing at First OC Dermatology in Irvine, CA with over a decade of experience in medical, surgical, and cosmetic dermatology. She is affiliated with Orange Coast Memorial Medical Center in Fountain Valley, California as medical staff and received her Master of Science in Physician Assistant studies from Pacific University.

Ms. Nguyen specializes in biologic and small molecule therapies with a clinical focus on chronic inflammatory conditions including atopic dermatitis, hidradenitis suppurativa, psoriasis and other dermatological conditions. She has served as a clinical investigator in phase I–IV clinical trials including pediatric and pharmacokinetic studies. She is a part of faculty for the Dermatology Education Foundation (DEF) for NPs & PAs and is an advisor for the National Commission on Certification of Physician Assistants (NCCPA).