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Mark C Liu, M.D.

Mark C Liu, M.D.

Headshot of Mark C Liu
  • Associate Professor of Medicine


Allergy and Immunology, Asthma, Chronic Obstructive Pulmonary Disease (COPD), Pulmonary and Critical Care Medicine more

Research Interests

Allergic inflammation; Asthma; Inflammatory and immunologic response to asthma; Chronic obstructive pulmonary disease more

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Insurance Information

Main Phone

Outside of Maryland & Washington D.C.

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International Patients

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Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-1666
5501 Hopkins Bayview Circle
Asthma and Allergy Center
Baltimore, MD 21224 map

The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 410-550-5864
1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map


Dr. Liu is a pulmonary physician with additional expertise in allergy and immunology. He is an expert in the diagnosis and treatment of patients with severe asthma with a focus on developing new treatments for severe disease that has failed to respond to standard therapies. more


  • Associate Professor of Medicine

Departments / Divisions



  • MD; Medicine; University of Maryland School of Medicine (1975)


  • Internal Medicine; Johns Hopkins Bayview Medical Center (1978)


  • Johns Hopkins University School of Medicine (1981)

Board Certifications

  • American Board of Allergy and Immunology (Allergy & Immunology) (1987)
  • American Board of Internal Medicine (Internal Medicine) (1978)
  • American Board of Internal Medicine (Pulmonary Disease) (1982)

Research & Publications

Research Summary

Dr. Liu studies the mechanisms of inflammation in the lung with an emphasis on the response to allergen exposures and the role of macrophages, dendritic cells, and T cells in allergic inflammation in human studies.  He conducts multicenter  clinical trials sponsored by pharmaceutical companies or the NIH to develop new treatments for severe asthma.

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