Our Providers

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Paul Bilder, MD

Dr. Bilder attended Union College in New York for his undergraduate Bachelors of Science degree, then went on to attend medical school at Albany Medical School, also in New York. He completed a three year residency in Internal Medicine, and completed two fellowship trainings; the first in Cardiology and the second in Pulmonary and Intensive Care. When not seeing patients Dr. Bilder enjoys everything Lacrosse, spending time on his ranch in Oakland, and playing with his grandchildren.

Alexandra Chatterton, PA-C

A native of Michigan, Al completed undergrad studies at Central Michigan University, graduating with a Bachelor of Science in Psychology. She then attended University of New England in Portland, ME where she obtained her Master's Degree in Physician Assistant Studies. She is nationally certified in Family Medicine with a particular interest in women's health. When not working she enjoys hiking, cooking, pottery, and exploring Oregon.

Darcy Gorski, PA-C

A native of New York, Darcy completed undergrad studies at State University of New York at Oneonta, graduating with a Bachelor of Science in Biology. She then attended University of New England in Portland, ME where she obtained her Master's Degree in Physician Assistant Studies. She is nationally certified in Family Medicine with a particular interest in women's health. When not working she enjoys hiking, spending time with her cat and dog, and exploring Oregon.

Greg Hemsley, MD

Dr. Hemsley completed undergrad studies at Brown University with a BS in Neuroscience. He went on to attend medical school a University of Cincinnati College of Medicine. He completed his residency in pediatrics at University of California, Irvine. He is board certified in General Pediatrics. Dr. Hemsley has practiced medicine in Lane County for over 20 years, and enjoys caring for kids of all ages. When not working he enjoys spending time with his wife Chloe, the Savannah cats they raise together, listening to music, and discovering art.

Dan Zimmerman, PA-C

Dan attended US Naval Hospital Corp School and graduated with honors, then attending Old Dominion University in Norfolk VA, graduating from Trevecca Nazarene University, in Nashville with a BS in Biology, Chemistry, and Theology, as well as obtaining his Physician Assistant Certificate. He went on to earn a Masters Degree in nutrition from Cornell University. Dan has extensive experience in cardiac and cardiothoracic surgeries. Dan is a Board Certified Physician Assistant. When not working he enjoys playing electric guitar, hiking, and traveling.