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Benjamin Mark Landrum, M.D.

Headshot of Benjamin Mark Landrum
  • Section Chief, Medicine/Infectious Disease- Howard County General Hospital


HIV Treatment and Prevention, HIV/AIDS, Infectious Disease, Infectious Diseases, Travel Medicine more


Infectious Disease Associates

Appointment Phone: 410-418-8550
2850 N. Ridge Road
Suite 102
Ellicott City, MD 21043 map
Fax: 410-418-8552


Mark Landrum, M.D. received his medical degree from the University of Maryland School of Medicine. He completed residency training in Internal Medicine and Pediatrics and a fellowship in Infectious Diseases at the University of Maryland Medical System.

Dr. Landrum is Board Certified in Infectious Diseases and Internal Medicine. His areas of interest include general Infectious Diseases, HIV care, and travel health.

He serves as the Chief of the Division of Infectious Diseases at Howard County General Hospital and is the physician leader for epidemiology and infection prevention for the Johns Hopkins community hospitals.

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  • Section Chief, Medicine/Infectious Disease- Howard County General Hospital



  • MD; University of Maryland School of Medicine (1997)


  • Pediatrics; University of Maryland School of Medicine (2001)


  • University of Maryland Medical Center (2003)

Board Certifications

  • American Board of Internal Medicine (Infectious Disease) (2003)
  • American Board of Internal Medicine (Internal Medicine) (2001)

Activities & Honors


  • Innovations in Clinical Care, 2015 Johns Hopkins Medicine Clinical Awards
  • William Baumgartner, M.D., Physician of the Year 2020, The Office of Johns Hopkins Physicians, 2021

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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