Medical school: UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated: 1983
Also: INTERNAL MEDICINE
NPI: 1861401390
Practice Locations (1)
COTTON-O'NEIL CLINIC REVOCABLE TRUST
720 SW LANE ST, FL 2
TOPEKA, KS 666061539
7852704800
Source: CMS National Downloadable File, September 2026.