Our Providers

Dr. Bessinger is board-certified in Dermatology by the American Board of Dermatology. He earned his undergraduate degree from Northwestern University and his MD, PhD, and Master of Public Health from Tulane University. Dr. Bessinger did his dermatology residency at Walter Reed Army Medical Center in Washington, DC and previously served as Chief of Dermatology at Tripler Army Medical Center. He was one of the Army’s experts in tropical dermatology.

Since starting his private practice, Dr. Bessinger has served as President of the Hawaii Dermatological Society and has twice been named one of the Best Doctors in Hawaii by Honolulu Magazine.


Sarah Howell, MD

Dr. Howell is a board-certified dermatologist. She earned her undergraduate degree from Boston College and her MD from Georgetown University. Dr. Howell did her internship at Tripler Army Medical Center and completed her dermatology residency at Walter Reed Army Medical Center in Washington, DC and the National Naval Medical Center in Bethesda, Maryland. Dr. Howell previously served as the Chief of Dermatology at Ireland Army Community Hospital in Fort Knox, KY. Dr. Howell joined Hawaii Dermatology Centers in 2012 after leaving the military.

Timothy Howard, PA-C

PA Howard graduated from the Army’s Physician Assistant program and received his Masters in Family Medicine from the University of Nebraska. As a PA, he diagnoses, treats, performs procedures, and prescribes medications. He has been working with Dr. Bessinger for many years and is highly skilled in all aspects of medical, surgical, and cosmetic dermatology. PA Howard joined Hawaii Dermatology Centers in 2007 after 20 years of military service.

For appointments, please call: 808-218-7889

Or e-mail us at appointments@hawaiiderm.com

Rosemarie Cachero, LPN

Mrs. Cachero is a graduate of Chabot College in Hayward, California and the Hayward Fairmont School of Nursing. She has many years of experience as an LPN working in dermatology, including her experience as a Mohs micrographic surgery technician and surgical assistant. As the most senior member of the staff, she coordinates clinical operations at both Hawaii Dermatology Centers locations.