Adelheid Ebenhoech, MD
Dr. Adelheid takes a holistic approach to family medicine and is interested in self-healing. A graduate of Michigan State University College of Human Medicine, she is a student of functional medicine, which is a lifestyle nutrition-based approach. Dr. Adelheid also has a background in massage and bodywork and practices osteopathic manipulation. Involved with horses since she was 10, she bought her first horse when she was 13 and continues to ride nearly daily. Dr. Adelheid lives in Prunedale with her family, where she tends a vegetable garden and orchard with her husband and reads whenever she has a spare moment.

Arminda S. Tolentino, MD
Dr. Arminda Tolentino is an accomplished, passionate and enthusiastic family physician. She comes to Natividad with more than 27 years of experience practicing family medicine — from newborn care to geriatrics. Dr. Tolentino puts patients first with her practice of evidence-based preventative medicine and is experienced in managing chronic medical diseases. A graduate of UC Davis, Dr. Tolentino completed her MD at the University of The East Ramon Magsaysay Medical Center in the Philippines. She completed the Family Practice Residency program at Saint Joseph Regional center in Flint Michigan, affiliated with Michigan State University. She has held various family medicine roles in private practice, urgent care, and hospital settings since moving to Hollister in 1996. Dr. Tolentino was previously chief of staff at Hazel Hawkins Hospital and has served as the medical director for the Hazel Hawkins Rural Health Clinic for the last six years. She enjoys watching basketball games and live concerts in her free time.

Amelia Underwood, PA-C, RD, CDCES
Amelia Underwood is an experienced family medicine physician assistant with special expertise in gastroenterology. She is also a registered dietician and a certified diabetes educator. Amelia is a San Francisco State University graduate and completed her physician assistant training at the Stanford University School of Medicine.

Holly A. Arreola, APRN, MSN, FNP-BC
Holly Arreola is an expert member of Natividad’s Family Medicine team. She is a certified nurse practitioner, a certified neuroscience registered nurse and a family nurse practitioner with a Master of Science in Nursing from Maryville University in St. Louis, Missouri. She has specialized training and experience in stroke patient care and management. As a primary care provider, Holly’s focus is on preventive care and patient education.