About Us

Founded in 1963 by Dr. Dudley Seto, who pioneered dialysis in Hawaii, followed by the addition of Dr. Richard Shim in 1980, Hawaii Kidney Specialists (HKS) has evolved into the largest nephrology practice in Hawaii.

As one of the first nephrology groups to provide dialysis care in the State of Hawaii, Hawaii Kidney Specialists has continued its dedication to excellence as evidenced by the credentials of our five physicians. Our physicians are board certified, serve as Medical Directors for several US Renal Care and Fresenius dialysis clinics, maintain privileges and round at all major hospitals, and are actively involved in teaching.

We provide treatment for all aspects of kidney care, from early disease detection to dialysis and transplant care. Our comprehensive consultative and ongoing services, combined with our highly knowledgeable physicians, exceptionally trained nurse practitioners, and multiple convenient locations, enable us to deliver quality compassionate patient care. Our commitment is to learning as much as we can about your specific kidney issue and preserving your remaining kidney function.

Our Providers

Aaron Nada, M.D.

Aaron Nada, M.D.


Dr. Aaron Nada joined the practice in 1990 after completing his medical degree at the University of Hawaii John A. Burns School of Medicine (JABSOM). Following this, Dr. Nada completed his residency and nephrology fellowship at Mayo Graduate School of Medicine in Rochester Minnesota. Dr. Nada served as Chief of Nephrology at JABSOM until 2011 and Assistant Clinical Professor of Medicine from 1990-2012. Board certified with the American Board of Internal Medicine, Dr. Nada is also a member of the International Society of Nephrology. He is Medical Director of two dialysis clinics.

David Ono, M.D.

David Ono, M.D.


Dr. David Ono joined the practice in 1992 after serving as an Internist at Kaiser Permanente of Hawaii and San Mateo Medical Center in California and an Associate at Nephrology Consultants of Hawaii. Dr. Ono completed with medical degree and residency at the University of Hawaii John A. Burns School of Medicine (JABSOM). His nephrology fellowship was completed at the University of California – San Francisco (UCSF) School of Medicine. Currently, Dr. Ono serves as Assistant Clinical Professor of Medicine at JABSOM. He is board certified with the American Board of Internal Medicine and the American Board of Nephrology. Dr. Ono is the Medical Director of several dialysis clinics across the Hawaiian Islands and also the Medical Director for Queen’s Medical Center’s Renal Transplant Program.

Leilani Ka'anehe, M.D.

Leilani Ka'anehe, M.D.


Dr. Leilani Ka'anehe joined the practice in 2002 after completing her nephrology fellowship at the University of Washington. She completed her internship and residency at the University of Hawaii after receiving her medical degree from the John A. Burns School of Medicine (JABSOM) in 1996. Dr. Kaanehe was among the first scholarship recipients of the Native Hawaiian Health Scholarship Program (NHHSP). She staffs a nephrology clinic twice monthly at Molokai General Hospital Specialty clinics and has also volunteered as a nephrology consultant for The Queen Emma Clinics at The Queen's Medical Center and Waianae Coast Comprehensive Health Center. Dr. Ka'anehe is currently the Medical Director of Fresenius Kidney Care (Liberty) Dialysis in Molokai. Dr. Ka'anehe is board certified with the American Board of Nephrology.

Noah Solomon, M.D.

Noah Solomon, M.D.


Dr. Noah Solomon joined the practice in 2010 after serving as Staff, then Chief of Nephrology Services at Tripler Army Medical Center in Honolulu. In 1999, he completed his medical degree at Albert Einstein College of Medicine in New York, followed by his residency and nephrology fellowship at Walter Reed Army Medical Center in Washington, D.C. Board certified with the American Board of Internal Medicine and the American Board of Nephrology, Dr. Solomon also serves on the national medical advisory board for US Renal Care and is the Medical Director of three dialysis clinics.

Rick Hayashi, M.D.

Rick Hayashi, M.D.


Dr. Rick Hayashi joined the practice in 2016 after serving as a Staff Nephrologist for Veterans Affairs Pacific Islands and a Hospitalist at Queens Medical Center West. In 2000, he completed his medical degree at the University of Hawaii John A. Burns School of Medicine (JABSOM), followed by his residency and nephrology fellowship at UCLA Medical Center, where he also served as Chief Medical Resident. Additionally, Dr. Rick Hayashi completed his Renal Transplant Fellowship at State University of New York (SUNY) in 2007. Heavily committed to education, Dr. Hayashi has been involved in several academic/research projects and publications through JABSOM, University of California – Los Angeles (UCLA), and Cedars- Sinai Medical Center. Currently, Dr. Hayashi serves as Assistant Clinical Professor of Medicine at JABSOM. He is board certified with the American Board of Internal Medicine and the American Board of Nephrology. Dr. Hayashi is the Medical Director of US Renal Care West Oahu dialysis clinic.

Linda Sakai, APRN

Linda Sakai, APRN


Linda Sakai, APRN, MSN, FNP joined the practice in 2002 after working with Queen's Medical Center in Acute Hemodialysis, Critical Care, and in the Medical/Surgical unit. Linda completed her Bachelor of Science and Master of Science Degree in Nursing at the University of Hawaii at Manoa. She is a Certified Nephrology Nurse with the American Nephrology Nurses Association (ANNA), as well as a member of the American Association of Nurse Practitioners (AANP). Besides dedicating herself to routinely caring for our dialysis patients, Linda works closely in an interdisciplinary team to evaluate algorithms, drug efficacy, and patient response. She is involved with several other projects across the Hawaiian Islands, most recently, working with managers in the home program to promote Peritoneal Dialysis (PD) and improve communication on patients' status.

Celeste Paulo, APRN

Celeste Paulo, APRN


Celeste Paulo, APRN, MSN, FNP joined the practice in 2006 after working with St. Francis Medical Center for 19 years. Celeste completed her Bachelor of Science in Nursing at the University of Phoenix and her Master of Science Degree in Nursing at the University of Hawaii at Manoa. As a Certified Nephrology Nurse-Nurse Practitioner (CNN-NP) with the American Nephrology Nurses Association (ANNA), as well as a member of the American Association of Nurse Practitioners (AANP), Celeste dedicates herself to our dialysis patients and works closely with the physicians to deliver positive patient outcomes.

Mark Carreon, ACNP

Mark Carreon, ACNP


Mark Carreon is a Board Certified Acute Care Nurse Practitioner with vast experience in various specialties to include Cardiothoracic Surgery, Cardiology, and Electrophysiology. He obtained his Master's Degree in Nursing from University of Texas in Arlington, and his Bachelor's Degree in Nursing in Manila, Philippines. Mark joined the practice in 2018 to fulfill his interest in Nephrology and improving outcomes for patients on renal replacement therapy. He is also passionate about volunteering his time and expertise on medical missions to promote health in underdeveloped countries. Mark is a member of the American Association of Nurse Practitioners.

Mandira Neupane, APRN

Mandira Neupane, APRN


Mandira Neupane, APRN, MSN, FNP joined the practice in 2014 after working at Straub Medical Center for 6 years. Mandira completed her Bachelor of Science Degree in Nursing in Nepal and her Master of Science Degree in Nursing at the University of Hawaii at Manoa. She is a member of the American Association of Nurse Practitioners (AANP) and also a member of the National Kidney Foundation.

Jana Sanders, APRN

Jana Sanders, APRN


Jana Sanders, APRN, MSN, FNP joined the practice in 2018 with 17 years of nephrology experience to include acute and chronic hemodialysis. Additionally, Jana has experience in emergency and trauma nursing. Jana completed her Bachelor of Science in Nursing degree at the University of Washington and her Master of Science in Nursing degree at Hawaii Pacific University. She is a member of the American Association of Nurse Practitioners (AANP), the National Kidney Foundation (NKF) and the American Nephrology Nurses Association (ANNA). Jana is also currently proudly serving her country as a flight nurse in the U.S. Air Force Reserves.