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Expertise of Erin Chojnacki, PA-C

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Erin Chojnacki is a certified physician assistant who provides specialty care for neurosurgery and spine surgery patients, assisting Neurosurgery One’s neurosurgeons with pre- and post-operative care. Erin has experience working alongside neurosurgeons in the operating room as well as in the acute side of neurosurgery including trauma and ICU care.

She received her master’s degree in physician assistant studies from University of Colorado Anschutz Medical Campus in Aurora, Colorado. With a deep passion and interest in global health and research, Erin conducted clinical rotations in Tanzania and Nepal, including leading research on breastfeeding practices and serving as an advisor on the project implementation of the research for three years.

Prior to joining Neurosurgery One, Erin was a PA with Denver Health and served as a neurosurgical physician assistant at Doctors Medical Center/Darroch Brain and Spine Institute in Modesto, CA.

Erin primarily works at Neurosurgery One’s Littleton Clinic but also assists with care at our Lone Tree, Castle Rock, and Parker clinics.

Erin enjoys skiing, traveling, hiking, and climbing mountains (she’s conquered Mt. Kilimanjaro and the Annapurna Circuit, to name a few). She also soaks up time with her dog Turtle.


  • Master of Physician Assistant Studies, 2017 – University of Colorado, Anschutz Medical Campus, Aurora, CO
  • Post-Baccalaureate Pre-Health Certification, 2013 – Northwestern University, Evanston, IL
  • Bachelor of Business Administration, Finance and International Business, 2003 – Ohio University, Athens, OH
  • Areas Served
    Littleton, CO | Castle Rock, CO | Lone Tree, CO
    Languages Spoken
    Ages Accepted