Graphic of an exclamation mark
Notice of Oracle Health/Cerner Security Incident

Learn More about past patient records that may be affected by a 2025 security breach.

Learn More

Mark McElhannon, MD

Family Medicine
English
All Ages

Locations


Affiliations

CHRISTUS Santa Rosa Hospital - San Marcos/New Braunfels


Education & Certifications

Residency: Dwight D. Eisenhower Army Medical Center

Medical Education: Medical College of Georgia - Graduate Education

Graduate School: University of Tennessee – Haslam College of Business

Certification: American Board of Family Medicine