Suzanna Billinghurst | M.D.

Dr. Billinghurst joined Orion Eye in 2017. She was born and raised in northern Colorado where she attended the University of Colorado in Boulder and obtained her undergraduate degree in Biochemistry and Molecular Biology. She went on to complete her M.D. at the University of Colorado School of Medicine in Denver in 2013. In medical school, she was inducted into the Alpha Omega Alpha Honor Medical Society, a professional medical organization for excellence in scholarship and the highest ideals in the profession of medicine. She then completed her internship at Indiana University Methodist Hospital in Indianapolis where she did additional training in oculoplastic surgery and completed a microsurgical course.

Andrew Pilling | M.D.

Originally from Philadelphia, PA, Dr. Andrew Pilling moved to Durham, NC in 2009 to attend Duke University where he pursued and received his Bachelor of Science in Neuroscience and Minors in Psychology and Chemistry in 2013. He continued his education at Brown University, Alpert Medical School in Providence, RI, receiving his medical degree in 2019, and remained with the Brown University Internal Medicine department for his intern year. Upon completion of his internship, Dr. Pilling relocated to Buffalo, NY to begin his Ophthalmology Residency with the University at Buffalo. Throughout those three years, he was involved in various research and quality improvement projects and his excellence was recognized amongst his peers, attending physicians and program directors. He was nominated as the Ophthalmology representative for the Residency Committee 2021-2023, a recipient of the Arnold P. Gold Foundation Humanism and Excellence in Teaching Award in 2022 and elected as the Ophthalmology Chief Resident 2022-2023. Moving on to his fellowship training, Dr. Pilling attended Emory University in Atlanta, GA focusing his specialization on the cornea, external disease, and refractive surgery. Following conclusion of this training in 2024, Dr. Pilling joined Orion Eye Center and is enthusiastic about providing extensive and comprehensive ophthalmic care to the community.

Andrew, his wife Gabriela, and their daughter Noemi are excited about the move to Central Oregon and exploring everything the area has to offer. Outside his career, Dr. Pilling also appreciates competitive distance running, rock climbing and the art of sourdough breadmaking.

Justin Pennington | M.D.

Originally from the Puget Sound area, Dr. Justin Pennington began his academic career close to home in Seattle at the University of Washington, where he received his Bachelor of Science in Biochemistry in 2014. The following year, he moved across the country to Philadelphia, PA to pursue his Medical Doctorate at the Sidney Kimmel Medical College at Thomas Jefferson University. In fall of 2017, his outstanding merit was recognized with invitation to the Hobart Armory Hare Medical Honor Society and George McClellan Surgical Honor Society.

Following graduation in 2019, he relocated to Boston, MA for his transitional internship at the Beth Israel Deaconess Medical Center before finishing the remaining three years of his ophthalmology residency in Providence, RI at Brown University. During medical school and residency, Dr. Pennington authored many publications in peer-reviewed journals. In addition, he received the Sunil Rao, MD Research Scholarship Award for his contributions to multiple research programs. Dr. Pennington advanced on to his fellowship program in July of 2023, where he has focused on his specialization in Vitreoretinal Surgery at the Beth Israel Lahey Clinic in Boston, MA.

We look forward to welcoming Dr. Pennington to Orion Eye Center following the completion of his fellowship in June 2025. He is eager to return to the Pacific Northwest and provide exceptional care to the Central Oregon community. Outside the office you may see Dr. Pennington skiing the slopes, running the trails or teeing off at the golf course with his wife Maggie!

Ryan Constantine | M.D.

Dr. Constantine grew up just outside of Plattsburgh, New York on the shores of Lake Champlain, adjacent to the Adirondack Mountains, where he spent much of his free time. He completed his undergraduate degree in Biochemistry at Middlebury College in Middlebury, VT graduating cum laude.

After graduation, Dr. Constantine moved to Oakland, CA and worked as a medicinal chemist for Chiron Corporation synthesizing small organic molecules to be used as potential anti-cancer therapies. His work resulted in being named on four patents. Despite his enthusiasm for basic science research Dr. Constantine found that he missed the joy of treating patients directly.

Hoping to combine his love for basic science and improving human health, Dr. Constantine spent nine years earning both his MD and PhD at the University of Utah in Salt Lake City. It was during his graduate training that he began to develop his love of ophthalmology and, more specifically, the retina.

Upon completion of his medical school and graduate school training, Dr. Constantine completed his intern year in internal medicine at the University of Utah and then transitioned to Durham, North Carolina where he completed his ophthalmology residency at the highly regarded Duke Eye Center.

He finished his two-year vitreoretinal fellowship at Sierra Eye Associates, which allowed him to combine his two passions: Taking care of patients and participating in research. In addition to his clinical and surgical training he was a sub-investigator on many clinical trials.

Dr. Constantine enjoys providing compassionate care to the residents of central Oregon and spending time with his wife and two boys. In his free time, he can be found biking, skiing, and climbing.

Karen Grove | M.D.

Dr. Grove joined Orion Eye in 2015. She is a board-certified ophthalmologist and fellowship-trained corneal and cataract surgeon. She received her medical degree in 2008 from Wake Forest University, Winston-Salem, North Carolina. And was elected to Alpha Omega Alpha, an accolade reserved for the top 10% of medical school graduates. Dr. Grove went on to complete an ophthalmology residency at Vanderbilt University in Nashville, Tennessee. Thereafter, she joined the ophthalmology faculty of Vanderbilt and Meharry Medical College where she enjoyed training residents in the clinic and the operating room. Dr. Grove then completed a fellowship in Cornea, External Disease, and Refractive Surgery at the world-renowned Duke Eye Center in Durham, North Carolina.

Kristine Traustason | M.D.

Dr. Kristine Traustason specializes in the treatment of vitreoretinal disease. She joined Eye Surgery Institute in 2007, after completing a retina fellowship at the University of California, San Diego. Dr. Kristine graduated from Dartmouth College in 1995. She graduated AOA from Loma Linda University Medical School in 2001. She went on to do her internship and ophthalmology residency at University of California, San Diego, which she completed in 2005. Dr. Kristine has been a board-certified ophthalmologist since 2005. She is fluent in Spanish and enjoys running, mountain biking, and golfing.