About Krishna Reddy, MD

Dr. Reddy is a pulmonary and critical care physician at Massachusetts General Hospital and an Assistant Professor of Medicine at Harvard Medical School.

Dr. Reddy earned an MD from Harvard Medical School and a Master of Science in Epidemiology degree from the Harvard T.H. Chan School of Public Health. He was a Fulbright Scholar in Spain and a Fogarty Scholar in Peru.

Departments, Centers, & Programs:




Division of Pulmonary and Critical Care Medicine
55 Fruit Street
Boston, MA 02114
Phone: 617-726-8854

Medical Education

  • MD, Harvard Medical School
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Internal Medicine, American Board of Internal Medicine
  • Pulmonary Disease, American Board of Internal Medicine
  • Critical Care Medicine, American Board of Internal Medicine

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


View my most recent research

Dr. Reddy’s research interests include tobacco, HIV, and tuberculosis, both individually and in combination. He applies methods of simulation modeling, epidemiology, and cost-effectiveness analysis to study clinical and economic outcomes in the US and in other countries. The goal of his research is to provide evidence- and model-based approaches to clinical decision-making and public health policy. Dr. Reddy is a faculty investigator in the Medical Practice Evaluation Center (www.massgeneral.org/medicine/mpec) and the Tobacco Research and Treatment Center (www.massgeneral.org/medicine/trtc), both at MGH.

Dr. Reddy’s work has been reported by NBC News, Reuters, and WBUR/National Public Radio. He has been invited to present his work as a consultant to the World Health Organization. His research is supported by the National Institutes of Health.


  • View my most recent publications at PubMed

    Reddy KP, Horsburgh CR, Wood R, Fields NF, Girouard MP, Costantini S, Hou T, Freedberg KA, Walensky RP. Shortened tuberculosis treatment for people with HIV in South Africa: a model-based evaluation and cost-effectiveness analysis. Ann Am Thorac Soc 2020;17(2):202-211.

    Lee DJ, Kumarasamy N, Resch SC, Sivaramakrishnan GN, Mayer KH, Tripathy S, Paltiel AD, Freedberg KA, Reddy KP. Rapid, point-of-care diagnosis of tuberculosis with novel Truenat assay: cost-effectiveness analysis for India’s public sector. PLoS One 2019;14:e0218890.

    Reddy KP, Gupta-Wright A, Fielding KL, Costantini S, Zheng A, Corbett EL, Yu L, van Oosterhout JJ, Resch SC, Wilson DP, Horsburgh CR, Wood R, Alufandika-Moyo M, Peters JA, Freedberg KA, Lawn SD, Walensky RP. Cost-effectiveness of urine-based tuberculosis screening in hospitalised patients with HIV in Africa: a microsimulation modelling study. Lancet Glob Health 2019;7:e200.

    Reddy KP, Kong CY, Hyle EP, Baggett TP, Huang M, Parker RA, Paltiel AD, Losina E, Weinstein MC, Freedberg KA, Walensky RP. Lung cancer mortality associated with smoking and smoking cessation among people living with HIV in the United States. JAMA Intern Med 2017;177:1613.

    Reddy KP, Parker RA, Losina E, Baggett TP, Paltiel AD, Rigotti NA, Weinstein MC, Freedberg KA, Walensky RP. Impact of cigarette smoking and smoking cessation on life expectancy among people with HIV: a US-based modeling study. J Infect Dis 2016;214:1672.