Screen Name


First Name


Last Name



Undergraduate School

Thomas Jefferson University

Major 1

Health Sciences

Major 2

Biological Psychology/Behavioral Neuroscience

Graduate School

Graduate School

University of Massachusetts – Amherst

Research Experience

Research Experience / Publications

Current research topics:

  • Cocaine use in veterans with PTSD
  • herbal supplements for mood disorders


  • Johnson MJ, Swenson C, Fishkin I, Malanga A. (2023). Now I know my CBDs; cases of psychiatric admissions after delta-8-tetrahydrocannabinol (delta-8-THC, ??-THC) product usage. Psychiatry Research Case Reports. 100166.
  • Johnson MJ, Kelson M, Ruparel H, Simons K, Vincent P. (2022). QT and the beast: A case of valproate monotherapy for schizoaffective disorder-bipolar type with comorbid congenital long QT syndrome. Psychiatry Research Case Reports. 100076.
  • Johnson MJ & Penmetcha R. (2019). Atypical presentation of STEMI with pericardial effusion causing cardiac tamponade related to malignancy. British Journal of Cardiology. 26(4). DOI:10.5837/bjc.2019.037.
  • Johnson MJ, Pierce JD, Mavandadi S, Klaus J, Defelice D, Ingram E & Oslin DW. (2015). Mental health symptom severity in cannabis using and non-using Veterans with probable PTSD. Journal of Affective Disorders. 190. DOI: 10.1016/j.jad.2015.10.048.
Looking for Research?


Work & Military Experience

Work Experience

Current chief resident physician in emergency psychiatry at Yale University School of Medicine

Former Marine with service in Afghanistan during Operation Enduring Freedom.

Military Branch

United States Marine Corps