Erin N. Greer, PA-C My Medical Specialty: Neurosurgery Female | Speaks: English Board Certification National Commission on Certification of Physician Assistants This Provider Practices at: Cotton O'Neil Neuro & Spine Center2660 S.W. Third St.Topeka, KS 66606-2442(785) 270-8880View Google Map Stormont Vail Health1500 S.W. 10th Ave.3-VailTopeka, KS 66604-1301 Suggest An Update Credential change? New location?Enter provider updates below.Close Your Email* Update DetailsNameThis field is for validation purposes and should be left unchanged. This iframe contains the logic required to handle Ajax powered Gravity Forms. Need an appointment? Log into MyChart Don't have MyChart? Sign up today.