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About Us

Dr. Mark McKenzie

Dr. McKenzie has been practicing Internal Medicine in Southeast Tennessee and the Chattanooga area since 2002. He received his Bachelor of Arts in Biology from Southern Adventist University in 1991. After spending 4 years working as a Medical Technologist, he decided to study medicine. He completed Medical School and Residency at the Medical College of Ohio at the University of Toledo in 2002. He recently left group practice to start The McKenzie Center for Internal Medicine, PLLC.

 

Shirley

Shirley Spears, ANP is a graduate of Southern Adventist University and completed her masters degree and post-masters certificate at the University of Alabama at Birmingham. She has been a manager, taught nursing at SAU and been a Nurse Practitioner for many years. She has practiced in the Ooltewah-Collegedale area for over 10 years.

Staff and Services
In addition to Doctor McKenzie, the McKenzie Center for Internal Medicine is staffed by a nurse practicioner as well as licensed practical nurse or certified medical assistant. We offer the following medical procedures:

  • physical examinations
  • spirometry
  • EKGs
  • laboratory testing
  • scheduled ultrasound testing
  • and other pertinent services and procedures
  • Scope of practice
    An internist specializes in the diagnosis, prevention, and treatment of all forms of adult disease.  Internists are trained to handle common or complex conditions.  They guide patients through situations where several different illnesses may appear simultaneously. 

    At the McKenzie Center for Internal Medicine, we strive to assist you in disease prevention, wellness promotion, as well as providing our patients with appropriate tools for disease management. Whether the issue is specific to women or men an internist is one of the best places to start. 

    Beginning in January 2010 we will accept patients age 14 and up.

    Payment
    Most Insurance plans accepted. Please call to confirm prior to appointment. We also accept cash, checks, and most major credit cards.

    Please note: Patient communications will be done through office visits, telephone, and or direct mail.  After hours calls will be handled by a professional answering service.