Nurse Practitioner and Physician Assistant join Maury Regional Medical Group (MRMG)


COLUMBIA, Tenn. — Kristen Clay, FNP-BC, and Colleen St.John, PA-C, have joined separate primary care locations within Maury Regional Medical Group (MRMG).

Kristen Clay, FNP-BC will provide services at MRMG Primary Care in Columbia. She is joining Dr. Thomas Farmer, Dr. Ben Gardner, Dr. John Roberts and Brian Lovely, PA-C. MRMG Primary Care is in suite 403 of the Maury Regional Medical Plaza in Columbia. For more information, call 931.380.0075 or visit

Clay received both her master’s degree in nursing and bachelor’s degree in nursing from Walden University in Minneapolis, Minnesota. Prior to her family nurse practitioner work, Clay has nearly 13 years of nursing experience, with the most recent at Marshall Medical Center in Lewisburg, where she was a nursing supervisor in the Emergency Department. In addition to her clinical experience, Clay has been in management roles and a clinical instructor at South College in Nashville, TN.

Colleen St.John, PA-C will provide services at MRMG Primary Care in Spring Hill. She joins Dr. Sean Cannady, Dr. Nathanael Lafferty and Teresa Pisani, PA-C. The practice is located at 5421 Main Street in Spring Hill. For more information, call 931.486.2500 or visit

St.John received both her master’s degree and bachelor’s degree from the University of Detroit Mercy in Detroit, Michigan. St.John joins MRMG with nearly two years of work as a physician’s assistant. She has clinical experience in various areas of practice, including obstetrics and gynecology, emergency medicine, psychiatry and pediatrics.

   Colleen St.John, PA-C          Kristen Clay, FNP-BC

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