Mobile Menu Icon

Internal Medicine

← Back to Providers

Mark A. Blackwelder, M.D


  • Undergraduate: B.S., Northeast Louisiana University
  • Medical School: Louisiana State University School of Medicine
  • Residency: Internal Medicine Residency, Louisiana State University School of Medicine
  • Board Certification: American Board of Internal Medicine
  • Professional Affiliations: American College of Physicians


“Promote a healthy lifestyle and preventative medicine, as well as educate my patients on the consequences and rewards of our actions- and sometimes our inactions.”

Medical Interests

Impressed by the manner and care he saw in the internists he studied under during medical school, Dr. Blackwelder chose Internal Medicine as his specialty. He invests his time in each patient, building those relationships, allowing him to provide comprehensive, informed health care. Dr. Blackwelder sees patients from adolescence to geriatrics and specializes in the prevention, diagnosis, and treatment of general health issues including routine checkups, diabetes, hypertension, and thyroid disorders. His office is also participating in the Smoking Cessation program. Dr. Blackwelder is currently accepting new patients.

Main Clinic
1200 South Farmerville Street
Ruston, LA