Erin Tierney is a board-certified Physician Assistant at Groth Pain & Spine. She earned her Master of Science in Physician Assistant Studies from St. John’s University and is certified by the National Commission on Certification of Physician Assistants (NCCPA). At Groth Pain & Spine, Erin works alongside the practice’s physicians to evaluate, diagnose, and treat patients, with a focus on helping each person find relief and get back to the activities they enjoy. Erin grew up in Massapequa and is proud to care for patients in her Long Island community.