Mark Williams, MD is a dedicated physician who completed his medical education at the University of Nevada, Reno, followed by a residency in Anchorage, Alaska. With a strong belief in the power of personal connections, Dr. Williams enjoys building long-term relationships with his patients and their families to promote overall health and well-being. His passion for medicine stems from the unique integration of science and the opportunity to connect with people on a personal level. Before embarking on his medical career, Dr. Williams earned both a bachelor's and master's degree in chemistry, laying a solid foundation for his scientific approach to health care. 

Outside of his professional life, Dr. Williams is an avid outdoor enthusiast. He loves mountain biking, rock climbing and skiing, and he secretly aspires to climb all the major volcanoes in Oregon. His love for the outdoors is complemented by his passion for photography, with some of his work proudly displayed around the clinic. Dr. Williams and his family call Redmond home and enjoy an active lifestyle in the beautiful Pacific Northwest.

Angelina Zamboni, a board-certified Family Nurse Practitioner, is originally from Northern California where she grew up on a farm and is one of five children.

She received her bachelor’s degree in International Relations at University of California-Davis, where she also participated on the rowing team. Angelina completed her graduate studies at the University of California, San Francisco; where she earned a Master of Science, Nursing. Angelina spent 8 years as a Peace Corps volunteer and as the Rural Health and Sanitation Project Director in El Salvador. During this time, she worked extensively with youth and adults, promoting community organization, health education and leadership development. She has worked for St. Charles as a primary care provider since 2015 at the School Based Health Center as well as Family Care clinics, in Sisters, Bend and Madras.

Angelina is fluent in Spanish and enjoys working with patients and their families of all ethnic backgrounds. Because of her life experiences and commitment to provide care to diverse communities, she is excited to be part of a work environment that is dedicated to making a difference. When not working, Angelina and her family love to spend time outside exploring Central Oregon and spending their days on the water or in the snow, and traveling overseas to visit friends and family.

Nathan Thompson, MD graduated from medical school at the University of Washington and completed a family medicine residency at Valley Family Medicine in Renton, Wash. He practiced full-spectrum care until 2016, and then transitioned to outpatient-only care. Dr. Thompson has a deep appreciation for the people in the Redmond community, in large part because of how they welcome their medical team and take an active role in their health. He enjoys all aspects of family care, particularly learning each of his patient’s unique stories. 

Outside of work, he enjoys spending time with his wife, two teenagers and their two elderly dogs. His favorite moments are sunrises on top of Smith Rock, just not too close to the edge.

Christopher Schuler, MD grew up in Southern Oregon and worked in custom cabinetry for 10 years before going back to school to pursue medicine. He graduated from Portland State University with undergraduate degrees in biology and biochemistry. Dr. Schuler finished medical school at the Oregon Health & Science University in Portland and finished residency in Altoona Pennsylvania which offered a rural focus. 

He worked in a full-spectrum family practice in Central Washington for several years, and eventually relocated back to Oregon to be closer to family. Dr. Schuler joined S.t Charles Family Care in Redmond in 2018. He enjoys living in Central Oregon and working with families to improve their health. 

Outside of work he enjoys outdoor activities with family, such as snow skiing, hiking and motorcycling. His plan is to resume woodworking in retirement.

Dr. Savage attended medical school at the University of Washington in Seattle and completed the Swedish Hospital Family Medicine Residency program. He is board certified in emergency medicine and for the past 23 years he has worked in the St. Charles Madras Emergency Department.

Transitioning back to family medicine, Dr. Savage brings his experience and love for the Central Oregon community to the clinic. Dr. Savage is fluent in Spanish and will offer same-day appointments for a wide range of medical issues. In his free time, Dr. Savage likes to fish, camp, golf and travel, as well as attend church activities with Sue, his wife of 44 years.

Dr. TuAnh Nguyen received her Doctor of Osteopathic Medicine from Philadelphia College of Osteopathic Medicine and completed her residency training at OHSU Cascades East Family Medicine in Klamath Falls. Dr. Nguyen has spent the last six years in Klamath Falls and is excited to continue providing full-spectrum care in Prineville. She particularly enjoys pediatrics, geriatrics and end-of-life care.

In her spare time, Dr. Nguyen enjoys playing golf, traveling, cooking cuisines from all over the world and hiking with her husband and dog.

Dr. Leslie McCalister earned her bachelor’s degree in economics from the University of Oklahoma and her doctorate from the University of Texas Southwestern. She completed her residency in family medicine at Oregon Health & Science University’s Cascades East Family Medicine in Klamath Falls.

Dr. McCalister’s clinical interests include addiction treatment, psychiatric disorders, geriatrics, transgender care and chronic conditions. In her free time, she enjoys hiking, cross-country skiing, exploring Oregon, cooking, economics and improving her Spanish language skills.

Dr. Aimee Neill received her doctorate from Marshall University in Huntington, W.V., and completed residency and an obstetrics fellowship in Spartanburg, S.C. She chose to practice in Madras because it checks everything on her wish list: providing full-spectrum care to the community, proximity to larger facilities and specialists, small-town life and outdoor activities.

Dr. Neill is particularly interested in women’s health, obstetrics, pediatrics and international medicine. Away from work, she enjoys spending time with her husband, daughter and mother. Their hobbies include traveling, camping, outdoor sports, cheesy sci-fi movies and yard sales.

Dr. Jinnell Lewis received her bachelor’s degree in biology from Linfield College before working in uveitis research at the Casey Eye Institute for two years. She completed medical school at Oregon Health & Science University and her residency at OHSU’s Cascades East Family Medicine in Klamath Falls, where she trained in obstetrics and rural medicine.

Dr. Lewis has studied abroad in Spain and Costa Rica, completed two medical mission trips to Guatemala and enjoys working with Spanish-speaking patients. She chose to practice in Madras because she wants to live in a small town and provide full-spectrum family care – particularly obstetrics and pediatric care – to a diverse patient population. Away from work, Dr. Lewis spends time with her husband and four children. They enjoy camping, hiking, skiing, hunting, traveling, riding horses and cooking together.