Bosley Hair Restoration & Transplant

Dr. Gerald Scott Welker is a surgeon with over 20 years of experience in the field. He graduated from the Uniformed Services University of the Health Sciences in 1994. Dr. Welker is skilled in various surgical procedures, including laparoscopic and robotic operations, as well as colonoscopies and EGDs. He also has experience in primary care.

Mark Oyama, MD, is a physician associated with Bosley. He graduated from the University of Illinois in 1994. Following his education, he completed an internship at the Animal Medical Center in New York and a residency at UC Davis. Dr. Oyama then worked in private specialty practice and served on the faculty of the University of Illinois before moving to Penn Vet in 2005. He earned a master of science in clinical epidemiology from Penn's Perelman School of Medicine in 2015 and is a Diplomate of the ACVIM. In 2022, Mark Oyama was named Chair of the Department of Clinical Sciences and Advanced Medicine (CSAM) and is a Professor in Cardiology. His primary interests include cardiology, cardiac examinations, echocardiograms, ECG, and both non-invasive and invasive surgeries.

Dr. James Aachen-Winans is a highly experienced hair restoration surgeon who has dedicated over 40 years to his medical career, focusing exclusively on hair transplantation since 2005. He earned his M.D. from the University of Southern California School of Medicine and completed his residency in Otolaryngology, Head and Neck Surgery, and Facial Plastic Surgery at White Memorial Medical Center. Dr. Aachen-Winans is recognized for his extensive experience and meticulous approach, having performed thousands of successful hair transplant procedures and consistently receiving high ratings from his patients for his professionalism and artistry. He is a Fellow of the American College of Surgeons and the American Academy of Otolaryngology and Head and Neck Surgery, and a member of the International Society of Hair Restoration Surgery.

Dr. Agustin Burgos is a doctor with Bosley, practicing at multiple locations. His work there is in hair restoration.

Richard E. Lorenz, M.D., is a board-certified plastic surgeon with extensive experience in the field of hair restoration. He completed his medical education at the University of Minnesota in 1976, after earning a Bachelor of Science in Biology from the University of Washington. Dr. Lorenz furthered his training with an internship at the University of Wisconsin Hospital. He is recognized for his work in plastic surgery and has been practicing for over 40 years, with a significant focus on aesthetic procedures and patient care.

Carlos C. Tan, MD, practices at Bosley in Atlanta, where his practice focuses exclusively on hair restoration. He had more than 40 years of experience in medicine before joining Bosley, including a fellowship in cardiovascular and thoracic surgery at the Texas Heart Institute from 1984 to 1985, private practice surgery from 1985 to 2011, and minor outpatient surgery and regenerative medicine from 2011 until he joined Bosley. He received his Doctor of Medicine from the Far Eastern University Nicanor Reyes Medical Foundation.

Dr. Allan Parungao is a highly experienced hair restoration surgeon with over 23 years in cosmetic plastic surgery. He earned his Doctor of Medicine from Southern Illinois University School of Medicine and holds a Master of Science in Applied Physiology from Finch University of Health Sciences/The Chicago Medical School, as well as a Bachelor of Arts from Washington University in St. Louis. Dr. Parungao is board-certified by the American Board of Plastic Surgery and is a Fellow of the American College of Surgeons (FACS). His extensive experience includes serving as Chief Surgeon and Assistant National Medical Director at Bosley Chicago and as Owner & Chief Surgeon of Parungao Plastic Surgery. He is recognized for his skill in hair transplantation, having performed a significant number of procedures and contributing to the advancement of hair restoration techniques. Dr. Parungao is also affiliated with leading industry associations such as the International Society of Hair Restoration Surgery (ISHRS) and the American Society of Plastic Surgeons.

Kurt W. Sprunger, MD is the physician at Bosley's Chicago hair restoration location, where surgical and non-surgical hair loss treatments are offered. The Chicago center provides hair and scalp analysis, Follicular Unit Extraction (FUE) and Follicular Unit Transplantation (FUT), PRP therapy, scalp micropigmentation, low-level laser therapy, and topical and oral treatments such as minoxidil and finasteride.

Dr. Frank Cohen is a hair restoration physician at Bosley in New York. He earned a Bachelor of Science degree with High Honors from the University of Florida, where he studied Biochemistry and Pharmacology and was a member of the Phi Beta Kappa Honor Society. He continued his medical education at the University of Florida College of Medicine, where he was inducted into the Florida Blue Key Honor Society. Dr. Cohen completed his internship and residency at Montefiore Medical Center, part of the Albert Einstein College of Medicine, and served as Chief Resident in his final year. He is a Board-Certified Surgeon by the American Board of Surgery, and his research has been published in several surgical journals. Dr. Cohen has a deep-seated interest in the science of hair and the art of hair restoration, aiming to help patients regain confidence by achieving their hair restoration goals.

Dr. Sharone' M. Jacobs is a physician with Bosley Hair Restoration & Transplant in Philadelphia, which offers surgical hair restoration using Follicular Unit Extraction (FUE) and Follicular Unit Transplantation (FUT), along with non-surgical options such as PRP therapy, scalp micropigmentation, low-level laser therapy, and topical and oral treatments. Care at the Philadelphia location also includes hair and scalp analysis, consultation before a procedure, and follow-up visits afterward.

Dr. Steven S. Lee is a surgeon practicing with Bosley in Seattle, where he devotes his practice to hair restoration and works with patients on their hair restoration goals. He studied biology at the University of California, Los Angeles, went on to medical study at Tufts University School of Medicine in Boston, and completed a residency in general surgery at Cedars-Sinai Medical Center in Los Angeles. His earlier appointments include general surgery roles at Skagit Regional Clinics in Mount Vernon, Sunnyside Community Hospital, Banner Health Payson Arizona, and Kaiser Permanente, along with locum tenens work at Northern Navajo Medical Center and Mendocino Coast District Hospital.