Skip to main content
Otis Barnum, DO, Internal Medicine, Natchitoches, LA

OtisBarnumDOFACP

Internal Medicine • Natchitoches, LA

Barnum Internal Medicine

Join to view full profile

Dr. Barnum is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Barnum's full profile

Already have an account?

  • Office

    617 Bienville St.
    Suite A
    Natchitoches, LA 71457
    Phone+1 318-352-9880
    Fax+1 318-357-1347

Clinical Expertise

  • Esophagogastroduodenoscopy, Colonoscopy, Foreign body removal, Clinical research, Clincial trials

Education & Training

  • Tulane University
    Tulane UniversityResidency, Internal Medicine, 1978 - 1981
  • US Public Health Service Hospital
    US Public Health Service HospitalInternship, Transitional Year, 1977 - 1978
  • Kansas City University of Medicine and Biosciences College of Osteopathic Medicine
    Kansas City University of Medicine and Biosciences College of Osteopathic MedicineClass of 1977

Certifications & Licensure

  • LA State Medical License
    LA State License 1986 - 2025
  • American Board of Internal Medicine Internal Medicine

Awards, Honors, & Recognition

  • Fellow American College of Physicians ACP

Publications & Presentations

PubMed

Journal Articles

Professional Memberships

Dr. Otis Barnum, Dr. Otis Barnum, DO, Dr. O Barnum