Heather Eisenbarth APRN My Medical Specialty: Hematology/OncologyRelated Departments: Cancer female | Speaks: English Primary Phone: (785) 354-5300 Primary Fax: (785) 354-5309 Board Certification Am Academy of NPs This Provider Practices at: Cotton O’Neil Cancer Center 1414 SW 8th Ave Topeka, KS 66606 (785) 354-5300 Get Directions Suggest An Update Credential change? New location?Enter provider updates below.Close Your Email* Update DetailsCAPTCHAPhoneThis field is for validation purposes and should be left unchanged. Δ Need an appointment? Log into MyChart Don't have MyChart? Sign up today.