Health Center Staff

Medical Services Staff

Medical Staff

Peter Davis, MD, FACP
Full-time Staff Physician and Medical Director

Dr. Davis attended medical school at the University of Kansas and then trained in internal medicine at the University of Alabama Hospital. He also completed a fellowship in sports medicine at UT Southwestern and Methodist Hospitals of Dallas. He has hospital affiliations at Methodist Hospital and Baylor University Medical Center. Dr. Davis is board certified in internal medicine and has a certificate of added qualification in sports medicine.


Nancy Merrill, MD
Full-time Staff Physician and Medical Director

Dr. Nancy Merrill is the Co-Medical Director and full time physician at the SMU Health Center. With 20 years of experience in college health, Dr. Merrill has been instrumental in increasing the quality of health care available to SMU students. Since she became medical director in 1997, substantial upgrades and updates have been made, including accreditation through a national healthcare accrediting organization and continuing medical education requirements for medical and nursing staff. Dr. Merrill is responsible for continuous quality improvement studies and quality assurance.  She received her Doctor of Medicine from Louisiana State University in New Orleans, completed her internship in Internal Medicine and board eligibility requirements in Emergency Medicine at Charity Hospital of New Orleans, and practiced as an Emergency Medicine physician prior to joining the medical staff at Tulane University Student Health Center.  Dr. Merrill is married to an OB-GYN and is the mother of two daughters.

Nancy Merrill 

Frances Crites, MD
Gynecology Consultant
(Wednesday afternoons and Friday mornings)

Before her medical school days, Dr. Crites was a registered nurse and certified nurse-midwife in the United States Air Force. She was a faculty member in the Department of Obstetrics and Gynecology at Baylor College of Medicine in Houston and after completing her residency at Baylor College of Medicine, she opened her private practice at Presbyterian Hospital in Dallas in 1991.


Arthi Krishnan, MD
Staff Physician and Quality Assurance

Arthi Krishnan

Lab & X-Ray


Nursing Staff

Diane Melcher, R.N., M.S.N.
Director of Nursing

 Diane Melcher

Madge Earnshaw, R.N.
Staff Nurse


Charlotte Rohr, R.N.
Staff Nurse

Emily Howley, R.N.
Staff Nurse

Pharmacy Staff

Kathy Johnson, R. Ph.

 Kathy Johnson

Cynthia Nicholson, R. Ph.


Support Staff

Krista Pruitt
Insurance Coordinator 
Krista Pruitt
Angela Warfield
Health Services Assistant