

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
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