Pulmonary & Critical Care Fellowship Program
MGH BIDMC Harvard Medical School

Alison Witkin, MD


Alison Witkin, MD

Instructor in Medicine

Academic Interests

Dr. Witkin’s clinical and research interests focus on patients with pulmonary hypertension. She has a particular interest in both acute and chronic thromboembolic disease. She is a member of the MGH Pulmonary Embolism Response Team (PERT) and serves as the co-chair of the communications committee for the National PERT Consortium. She is particularly interested in the recovery from acute PE and sees patients in a follow up PE clinic to help with early identification of patients with incomplete recovery.

Awards and Recognition

Dr. Witkin is the co-chair of the PERT Consortium communications committee.


More information can be found on Dr. Witkin's Harvard Catalyst profile.

+Current Projects

  • Prognostic significance of elevated RVSP in the setting of acute PE
  • The role of invasive CPET in patients with chronic thromboembolic disease

+Selected Publications

  • Sihag S, Le B, Witkin AS, et al. Quantifying the learning curve for pulmonary thromboendartectomy. J Cardiothorac Surg. 2017; 12(1): 121. PMID 29284512.
  • McNeill JN, Witkin AS, Chang Y, Kabrhel C, Channick RN. Does the time of day a pulmonary embolism response team is activated affect time to intervention or outcome? Chest. 2017;152(6):1353-1354. PMID 29223267.
  • Witkin AS. Acute and chronic pulmonary embolism: the role of the pulmonary embolism response team. Curr Opin Cardiol. 2017’32(6):672-678. PMID 28786863.
  • Witkin AS, Harshbarger S, Kabrhel C. Pulmonary Embolism Response Teams. Semin Thromb Hemost. 2016;42(8):857-64. PMID 27769084.
  • Brady AK, O’Rourke P, Kopayashi T, Witkin AS, et al. A novel resident-led curriculum for night float rotations. J Grad Med Educ. 2015;7(2):289-90. PMID 26221460.
  • Witkin AS, Channick RN. Chronic thromboembolic pulmonary hypertension: the end result of pulmonary embolism. Curr Cardiol Rep. 2015;17(8):63. PMID 26099554.