Bosley Hair Restoration & Transplant

It appears there may be some confusion regarding Dr. Gerald Scott Welker. While the Bosley website lists a Dr. Gerald Scott Welker associated with their San Francisco clinic, public records indicate that this Dr. Welker passed away in March 2023. Information regarding his specific professional experience, educational background, memberships, awards, or accomplishments prior to his passing has not been readily found in the provided search results. He graduated from the Uniformed Services University of the Health Sciences in 1994 and had over 25 years of experience, specializing in General Surgery and Other Specialty.

**Mark Oyama, MD** is a distinguished professional with extensive experience in his field. He earned his Doctor of Veterinary Medicine (DVM) degree from the University of Illinois and completed his specialty training at the University of California at Davis. Dr. Oyama holds a Master of Science in Clinical Epidemiology (MSCE) from the University of Pennsylvania, where he also serves as a Professor of Cardiology and the Charlotte Newton Sheppard Endowed Chair of Medicine. He is a Diplomate of the American College of Veterinary Internal Medicine (ACVIM) and has previously served as President of the ACVIM, Specialty of Cardiology. Dr. Oyama's expertise includes mitral valve disease, heart failure therapies, clinical epidemiology, and cardiac biomarkers. He is also an Associate Scholar at Penn Medicine's Center for Clinical Epidemiology and Biostatistics and has been involved with the NIH One Health Alliance-Clinical Translational Science committee.

Dr. James Aachen-Winans is a highly experienced hair restoration surgeon who joined Bosley in 2005. He has a distinguished career spanning over 40 years, with his practice dedicated solely to hair restoration and transplantation since 2005. Dr. Aachen-Winans earned his M.D. from the University of Southern California Keck School of Medicine and completed his residency in Otolaryngology, Head and Neck Surgery, and Facial Plastic Surgery at White Memorial Medical Center. He is board-certified in Ear, Nose, and Throat/Head and Neck Surgery and Facial Plastic Surgery. His professional affiliations include being a Fellow of the American College of Surgeons and a Fellow of the American Academy of Otolaryngology and Head and Neck Surgery. Dr. Aachen-Winans is also a member of the International Society of Hair Restoration Surgery (ISHRS), the American Academy of Facial Plastic & Reconstructive Surgery, and the California Academy of Cosmetic Surgery. He has performed thousands of successful hair transplant procedures and is consistently recognized as one of Bosley's top-rated physicians, receiving excellent patient reviews for his professionalism and natural results.

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

Dr. Richard E. Lorenz is a board-certified plastic surgeon with over 40 years of medical experience. He received his Bachelor of Science in Biology from the University of Washington and his M.D. from the University of Minnesota. Dr. Lorenz completed his general surgery residency at Sinai Hospital of Detroit and his plastic surgery residency at Phoenix Plastic Surgery Residency, and he has been practicing hair restoration exclusively since 2001. Prior to focusing on hair restoration, he had a private practice in plastic and reconstructive surgery for seventeen years and served as a Clinical Instructor in Plastic Surgery at the Mayo Graduate School of Medicine in Phoenix, Arizona. He is a Diplomate of the American Board of Plastic Surgery and the National Board of Medical Examiners.

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 board-certified plastic surgeon with over 23 years of experience in cosmetic plastic surgery, specializing in hair restoration. 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. Dr. Parungao is a Fellow of the American College of Surgeons and a member of the American Society of Plastic Surgeons and the International Society of Hair Restoration Surgery (ISHRS). Prior to focusing on hair restoration, his extensive surgical background included craniofacial surgery, head and neck reconstruction, and microvascular surgery. He served as Chief Surgeon & Assistant National Medical Director for Bosley in Chicago from 2011 to 2022.

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 highly experienced hair restoration physician with Bosley, where he is committed to both the art and science of hair restoration. He earned his Bachelor of Science degree with High Honors from the University of Florida, majoring in Biochemistry and Pharmacology, and was recognized as 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 surgical internship and residency at Montefiore Medical Center, affiliated with the Albert Einstein College of Medicine, where he served as Chief Resident during his final year. His clinical research has been published in several surgical journals, and he is a Board-Certified Surgeon by the American Board of Surgery. Dr. Cohen also has experience on the faculty of the Jacobs School of Medicine in Buffalo, New York, where he contributed to developing a surgical program. He has a deep, lifelong interest in hair science and the aesthetic aspects of hair restoration, aiming to help patients regain their confidence.

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.