Karen K. Solcher APRN My Medical Specialty: NephrologyRelated Departments: Nephrology & Hypertension Female | Speaks: English, French, Spanish Board Certification American Academy of Nurse Practitioners This Provider Practices at: Cotton O'Neil Mulvane823 S.W. Mulvane St.Topeka, KS 66606-1764(785) 354-9591Fax: (785) 368-0478View Google Map Suggest An Update Credential change? New location?Enter provider updates below.Close Your Email* Update DetailsCommentsThis 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.