Medical Providers
SARAH GREKIN, M.D.
Dermatology
Dr. Sarah Grekin received her undergraduate degree from the University of Michigan and medical degree from the University of Iowa Carver College of Medicine. She completed residency training in dermatology at the University of Michigan and a fellowship in dermatopathology at the Baylor College of Medicine. Dr. Grekin is Board-certified in Dermatology and Dermatopathology and holds an academic appointment as Assistant Clinical Professor of Medicine at the John A. Burns School of Medicine.
GAVIN HAYASHI, M.D.
Family Medicine & Sports Medicine Fellow
Dr. Gavin Hayashi is the 2025-26 鶹ýMānoa-John A. Burns School of Medicine Sports Medicine Fellow. He received his undergraduate and medical degrees from Creighton University. Dr. Hayashi completed family medicine residency training at the University of Kansas School of Medicine-Wichita Wesley. He is Board-certified in Family Medicine.
SHARON K. HIU, D.O.
Family Medicine
Dr. Sharon Hiu received her undergraduate degree from Loyola Marymount University and medical degree from the College of Osteopathic Medicine of the Pacific in Pomona. She completed residency training in family medicine at the DCH Foundation Hospitals in Downey. She is Board-certified in Family Medicine and holds an academic appointment as Adjunct Clinical Assistant Professor at the A.T. Still University School of Osteopathic Medicine.
NANCY LUONG KENDALL, APRN-Rx
Family Nurse Practitioner
Nancy Luong Kendall received her undergraduate degree from the University of Hawai‘i at Mānoa and Master of Science in Nursing at the Vanderbilt University School of Nursing in Nashville, Tennessee. She specializes in reproductive health and primary care medicine.
ANDREW W. NICHOLS, M.D.
Family Medicine & Sports Medicine
Dr. Andrew Nichols received his undergraduate degree from Stanford University and medical degree from Wake Forest University. He completed residency training in family medicine and fellowship training in sports medicine at UCLA. He is Board-certified in both Family Medicine and Sports Medicine and holds academic appointments as Clinical Professor of Family Medicine and Community Health and Sports Medicine Fellowship Program Director at the John A. Burns School of Medicine. Dr. Nichols served as head team physician for the University of 鶹ý at Mānoa Athletics Department from 1994-2011, and is now a volunteer team physician. Dr. Nichols is the Director of University Health Services Mānoa.
SUSAN O. NISHIDA, M.D.
Internal Medicine
Dr. Susan Nishida received her undergraduate degree from the University of 鶹ý at Mānoa and medical degree from the John A. Burns School of Medicine and completed residency training in internal medicine at the University of 鶹ý.
PATRICK PAN, M.D.
Family Medicine
Dr. Patrick Pan attended the University of Hawai‘i at Mānoa as an undergraduate student and received his medical degree from the John A. Burns School of Medicine. He completed residency training in family medicine at the University of Hawai‘i. He is Board-certified in Family Medicine.
VICTORIA SHIMOTSU, M.D.
Family Medicine
Dr. Victoria Shimotsu grew up in Hawai‘i and received her undergraduate degree from Tufts University. She received her medical degree from the John A. Burns School of Medicine and completed residency training in family medicine at Adventist Health Glendale in California. Dr. Shimotsu is Board-certified in Family Medicine.
JONATHAN L. SLADKY, M.D.
Pediatrics & Sports Medicine
Dr. Jonathan Sladky received his undergraduate degree from the College of William and Mary and medical degree from Ohio State University. He completed residency training in pediatrics at Emory University and fellowship training in sports medicine at the 鶹ý Mānoa-John A. Burns School of Medicine. He is Board-certified in both Pediatrics and Sports Medicine and holds an academic appointment as Assistant Clinical Professor of Family Medicine and Community Health and Associate Program Director of the Sports Medicine Fellowship at the John A. Burns School of Medicine. Dr. Sladky has served as head team physician for the University of Hawai‘i at Mānoa Athletics Department since 2019.
COURTNEY TAUM, M.D.
Pediatrics & Sports Medicine
Dr. Courtney Taum received her undergraduate degree at the University of Hawai‘i at Mānoa, where she was a member and team captain of the 鶹ý Mānoa Wahine Basketball Team. Dr. Taum earned her M.D. degree and completed pediatrics residency and sports medicine fellowship training at the 鶹ýMānoa-John A. Burns School of Medicine. She is Board-certified in Pediatrics and Board-eligible in Sports Medicine.












