Jun 13, 2016 · Patient portal Careers. Find a Doctor; Services & Clinics; Visitors & Patients; ... Meet our Docs: Board-certified nephrologist Samuel Chakola, MD, joins Wyoming Nephrology in Casper . Wyoming Medical Center welcomes Samuel Chakola, MD, to Wyoming Nephrology in Casper. ... Casper, WY 82601. Directions (800) 822-7201. About Us. History; Mission ....