Medical Care Providers

Heather Patton, DNP, FNP

Heather Patton is a Family Nurse Practitioner originally from Arizona. She earned her undergraduate degree from Brigham Young University and both her master’s and doctoral degrees from the University of Utah. With over 30 years of healthcare experience, most of it in pediatrics and family practice in rural communities. Heather brings a deep commitment to accessible, family-centered care. She joins the Hāna Health team as part of the School-Based Health Center (SBHC) on Tuesdays and Wednesdays and will see patients at the Main Hāna Health Clinic on Thursdays and Fridays. Heather is excited to serve the Hāna community and continue her lifelong dedication to improving rural health.

Bryan Whitwell, DDS – Dentist

Dr. Bryan Whitwell has been proudly serving Hāna Health since 2016. He earned his dental degree from the University of Oklahoma and went on to complete a general practice residency at Saint Anthony Hospital, where he received advanced training in all areas of dentistry.

Before joining the Hāna Health team, Dr. Whitwell spent 15 years in solo private practice. Now, he’s happy to be part of a dedicated group of providers serving the Hāna community. He is also an active member of the American Dental Association, as well as its state and local chapters.

Benjamin Hanks, DDS – Pediatric Dentistry

Dr. Hanks is a graduate of the University of Texas School of Dentistry and a board-certified pediatric dental specialist. He completed an additional two-year residency with a focused emphasis on the care of children up to age 12, including those with special healthcare needs across all ages.

As a father of five, Dr. Hanks understands firsthand the importance of a child’s health and well-being. He is committed to delivering compassionate, high-quality dental care tailored to each child’s unique needs.

Mary Kampas, LMFT

Mary Kampas, a Licensed Marriage and Family Therapist, provides most of her sessions virtually from Hilo, connecting with clients at Hāna Health or from the comfort of their homes through telehealth. Mary has experience working with individuals, couples and families who are struggling with anxiety, depression, substance abuse, relationship issues and parenting challenges. Additionally, she helps clients who are struggling to resolve childhood traumas or past relationship issues manifesting in present-day relationships. Mary earned a Master of Arts in Marriage and Family Therapy from Argosy University.

Brenden Lewer, DPT

Brenden is a dedicated, attentive and results-driven physical therapist who’s motivating and enthusiastic presence encourages top performance from patients and team members alike. Brenden brings an extensive background in health and wellness, a passion for helping others achieve their goals and encouraging clients to live a healthy lifestyle.

Brenden earned a Doctorate of Physical Therapy from Northwestern University, Feinberg School of Medicine – Chicago, Illinois and a Bachelor of Arts Sports Science & Psychology from Ohio Wesleyan – Delaware, Ohio.

Brenden also eared certificates in Advanced Thai Medical Massage; General Thai Massage, Aromatherapy, & Foot Reflexology from Wat Po Traditional Medical School – Bangkok, Thailand

DR. AMANADA MARN, MD

Dr. Marn, a board-certified cardiologist graduated with honors from Wayne State University School of Medicine and completed her cardiology training at the prestigious Walter Reed National Military Medical Center. With over 11 years of service in the U.S. Army and experience caring for active-duty military at Tripler Army Medical Center, she now focuses on providing top-quality cardiac care to Maui residents.

DR. ANN BREWER, MD

Dr. Brewer is board-certified and a fellow of the American Academy of Dermatology, bringing top-notch expertise to her practice. She earned her medical degree from the University of Arizona College of Medicine and completed her dermatology residency at the renowned Mayo Clinic in Arizona. Dr. Brewer treats patients of all ages and has a special interest in complex medical dermatology and skin cancer diagnosis and treatment.

Stacy Ammerman, DO – Board Certified Obstetrics and Gynecology

Dr. Ammerman was raised in Southern Oregon and received a Bachelors of Science in Biology from San Diego State University and is a board certified OB/GYN. She obtained her medical degree at Lake Erie College of Osteopathic Medicine. Her medical training was completed with a residency in Obstetrics and Gynecology at Harbor UCLA Medical Center in Southern California.

Dr. Michael Leong – Optometrist

Dr. Leong was raised in Nānākuli on the west side of Oʻahu. He is a proud graduate of ʻIolani School, Class of 1994. He went on to earn a Bachelor of Science in Biology with a minor in Studio Art from Santa Clara University. He later attended the University of California, Berkeley, where he completed a second Bachelor of Science in Vision Science and earned his Doctorate of Optometry.

Dr. Leong completed a residency in corneal disease and contact lenses at the State University of New York in Manhattan. He is an active member of the Kahului Lions Club and regularly participates in free vision screenings, both locally and internationally.

Dr. Robert Gonzalez, DC – Chiropractor

After graduating Magna Cum Laude from Life University, for over 21 years, Dr. Gonzalez has focused on family, pediatric, and perinatal care, helping thousands of patients achieve better health. He is known as a “master adjuster” and has also studied wellness practices like meditation, yoga, and Ayurveda, including training with Dr. Deepak Chopra.

Tracy Erickson L.AC, MTOM – Acupuncture

With a Master’s degree in Acupuncture and Chinese Medicine from Emperors College for Traditional Oriental Medicine, and Health Sciences, Tracy has spent over 2 decades honing her skills in Complementary Medicine practices. Tracy’s clinical expertise encompasses a wide range of physical and emotional health concerns. She is particularly adept in treating: chronic pain, stress and anxiety relief, digestive disorders, women’s health and fertility, and immune system support.