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Hawaii Pacific Health / Pali Momi / Services / Weight Loss and Bariatrics / Your Team

Meet Dr. Ver

Bariatric Surgeon

Our Promise

Our goal is to fully empower our patients, giving them the tools and support necessary to succeed and achieve positive results. Hawaii Pacific Health’s 360° Weight Management Center is an accredited Center of Excellence by the Surgical Review Corporation and a Hawaii Pacific Health hospital-based program that offers a lifetime of care for each patient. We are committed to our patients every step of the way.

Maria “Marel” Ver, MD
Bariatric Surgeon, 360° Weight Management Center Medical Director

Marel Ver, MD, joined Pali Momi Medical Center in 2014. She is board certified in both general surgery and bariatric surgery. She completed her fellowship in advanced laparoscopic and bariatric surgery at the Cleveland Clinic Foundation in Cleveland, Ohio under the mentorship of renowned surgeon Dr. Philip Schauer. She is a member of the American College of Surgeons (ACS), American Society for Metabolic & Bariatric Surgery (ASMBS) and the Hawaii Bariatric Society.

Mark Grief, MD, FACS
Bariatric Surgeon

Mark Grief, MD, has been in private practice at Pali Momi Medical Center since 1988. He is a board certified surgeon and has more than 27 years of experience as a general surgeon in Hawaii. Dr. Grief is a member of the American College of Surgeons (ACS), American Society for Metabolic & Bariatric Surgery (ASMBS) and the Hawaii Bariatric Society.

Ellen K. Stehouwer, DO
Obesity Medicine Physician

Ellen Stehouwer, DO, joined Pali Momi Medical Center in 2020. She is board certified in family medicine and medical bariatric medicine. She completed her medical degree at the Michigan State University College of Osteopathic Medicine and residency at Sparrow Family Medicine. She is a member of the Obesity Medicine Association and American Association of Family Practice. Dr. Stehouwer enjoys partnering with patients on their journey to improved health and quality of life through permanent weight loss. In her free time she enjoys family time, traveling, outdoor activities, reading and cooking.

Brooke Adachi, RD
Registered Dietitian

Brooke Adachi, RD, is a registered dietitian. She received her Bachelor of Science Degree in food science and human nutrition with an emphasis in dietetics from the University of Hawaii at Manoa. She completed her dietetic internship with the Sodexo distance dietetic internship program in Honolulu, Hawaii. Brooke was born and raised on Oahu and enjoys paddle boarding, fashion, line dancing, listening to live music, going to the beach and Kaneohe sandbar, and spending time with family and friends.

Lianne Stephanos, RD
Registered Dietitian

Lianne Stephanos, RD, is a registered dietitian and certified diabetes educator. She received her Bachelor of Science degree in food science and human nutrition with an emphasis in dietetics from the University of Hawaii at Manoa, as well as a Master of Science in clinical nutrition from New York University. She also completed the Sodexo Distance Education Dietetic Internship in Honolulu, Hawaii. Lianne grew up in Honolulu and enjoys surfing, going to the beach, listening to podcasts, traveling, trying new foods, cooking, running, coffee and playing the violin.

Jasmin Wachendorf, RD
Registered Dietitian

Jasmin Wachendorf, RD, is a registered dietitian. She received her Bachelor of Science degree in food science and human nutrition and Master's degree in public health nutrition from the University of Hawaii at Manoa. She also completed a Master's degree in exercise physiology with an emphasis in cardiac rehabilitation from Marshall University. Jasmin enjoys a balanced life with her family by hiking, biking, swimming in the ocean, and kayaking.