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Mark Siedner

Infectious Disease

Mark Siedner, MD

Distinguished Physician

Boston, MA

Dr. Mark J. Siedner is an infectious disease specialist practicing in Boston, Massachusetts, with expertise in managing complex infectious conditions including HIV/AIDS, Severe Acute Respiratory Syndrome (SARS), COVID-19, and malaria. He provides clinical care at Massachusetts General Hospital, where he addresses acute and chronic infections in adult patients, leveraging his deep knowledge of viral, bacterial, and parasitic pathogens. His practice involves diagnostic evaluation, antiviral and an

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19+

Years in Practice

Clinical Focus

Subspecialties

Clinical Infectious Disease

Conditions & Treatments

HIV/AIDS

Practice Details

Hospital Affiliations

  • Massachusetts General Hospital
  • Fenway Community Health Center Inc.
  • Through the Forest Counseling Inc.
  • Massachusetts General Hospital, Boston, MA

Languages

English

Experience

19+ years in practice