Mr. and Mrs. William C. Flynn of Tulsa, Okla., announce the engagement of their daughter, Kristin A. Flynn, to Dr. John A. Scheffel.

Miss Flynn is a graduate of Creighton University, Omaha, Neb.  She is a registered nurse employed in cardiac surgery at Brigham and Women's Hospital, Boston, MA.

Dr. Scheffel, the son of Dr. and Mrs. Hannes J. Scheffel of 12 Adin Drive, Shrewsbury, MA., is a graduate of Northeastern University in Boston, and received his doctorate from California College of Podiatric Medicine in San Francisco. Dr. Scheffel's practice is located in Worcester, MA.