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Christopher Joseph Hammond, M.D., Ph.D.

Photo of Dr. Christopher Joseph Hammond, M.D., Ph.D.
  • Assistant Professor of Psychiatry and Behavioral Sciences

Specializes in: Adolescents (12-18 years), Adults (18+ years), Children (1-11 years)



Addiction Medicine, Child and Adolescent Psychiatry, Child Development and Behavioral Health, Child Psychiatry, Psychiatry, Psychiatry and Behavioral Sciences, Substance Abuse, Substance Abuse Research more

Research Interests

adolescents; neurodevelopment; substance use disorders (SUDs); cannabinoids; nicotine; alcohol; smoking behaviors; treatment outcomes/response; addiction recovery; neuroimaging; EEG; reward processing; developmental trauma; stress reactivity; prevention/early intervention more


The Johns Hopkins Hospital (Main Entrance)

1800 Orleans St.
Division of Child & Adolescent Psychiatry, The Charlotte R. Bloomberg Children's Center, 12 North
Baltimore, MD 21287 map


Dr. Hammond is an Assistant Professor of Psychiatry at Johns Hopkins University Department of Psychiatry with a joint appointment in the Division of Child & Adolescent Psychiatry and Behavioral Sciences and the Behavioral Pharmacology Research Unit (Affiliate). He is a board-certified child & adolescent psychiatrist, completing his M.D. at University of Florida and his Ph.D. and residency/fellowship training at Yale University.  Dr. Hammond’s research program focuses on characterizing the neurobiological predictors and mechanisms of treatment response for adolescent substance use disorders (SUDs) using multimodal neuroimaging (MRI, EEG) and large-scale brain network analytic approaches.  His research is funded by a NIDA/AACAP Career Development Award (K12DA000357).  Dr. Hammond’s research group is embedded in a larger collaborative research network within Johns Hopkin University School of Medicine applying translational neuroscience, clinical, and epidemiological methods to improve our understanding of brain-behavior relationships for youth suffering from substance use and mental health problems and aid in designing better evidence-based interventions.  Clinically, Dr. Hammond works with youth (ages 13-25) with co-occurring substance use and psychiatric disorders in his role as Medical Director of the Co-occurring Disorders in Adolescents and Young Adults (CODA) Clinic at Johns Hopkins. He currently serves on the AACAP’s Substance Abuse and Addictions Committee and the American Academy of Addiction Psychiatry’s Youth and Adolescent Addiction Treatment Committee. more



  • MD, University of Florida College of Medicine (2009)


  • Yale School of Medicine (2014)


  • Yale Child Study Center / Child and Adolescent Psychiatry (2015)

Board Certifications

  • American Board of Psychiatry and Neurology / Child & Adolescent Psychiatry (2015)
  • American Board of Psychiatry and Neurology / Psychiatry-General (2014)

Research & Publications


The Hammond research group and the Neurocognitive and Imaging Characterization of Adolescent Substance Use Disorders, or NICAS lab uses multimodal neuroimaging (MRI, DTI, EEG), clinical/treatment, and epidemiological methods to examine brain-behavior questions related to cognition, motivation, affect, chronic stress, and early childhood adversity in adolescents with co-occurring substance use and psychiatric disorders, with a specific focus on treatment response. Our current NIH/NIDA funded research project, the Adolescent Marijuana Imaging of Response to substance use Treatment (AMIRT) study focuses on large-scale brain network-models of SUD treatment response and specifically, the neurobiological predictors and mechanisms of substance abuse treatment response in adolescents with cannabis use disorders (CUDs).

With this and other studies in the NICAS lab, we seek to better understand the different neurobiological, psychosocial, and environmental factors that contribute to individual differences in substance use treatment response in youth -- Why one adolescent responds to treatment with sustained abstinence and improved function while another relapses to regular heavy drug use immediately upon leaving treatment. 

Technology Expertise Keywords

adolescence; addiction; neuroimaging; treatment response; evidence-based interventions

Clinical Trial Keywords

adolescent, substance use disorders, neuroimaging, treatment response

Selected Publications

View all on Pubmed

Hammond CJ, Gray KM. Pharmacotherapy for Adolescent Substance Use Disorders. J Child Adolesc Subst Abuse. 2016; 25(4): 292-316. DOI: 10.1080/1067828X.2015.1037517

Hammond CJ, Drew S, Nicu MJ, Arias AJ. Anticonvulsants for the Treatment of Alcohol Withdrawal Syndrome and Alcoholism. CNS Drugs. 2015; 29(4): 293-311.

Hammond CJ, Upadhyaya HP. Adolescent Substance Use Disorders: Principles for Assessment and Management. Child Adolesc Psychopharmacol News 2015; 20(1).

Hammond CJ, Mayes LC, Potenza MN. Neurobiology of Adolescent Substance Use and Addictive Behaviors: Prevention and Treatment Implications. Adolescent Medicine: State of the Art Reviews. 2014; 25(1).

Hammond CJ, Pilver CE, Rugle L, Steinberg MA, Mayes LC, Malison RT, Krishnan-Sarin S, Desai, RA, Potenza MN. An Exploratory examination of Marijuana Use, Problem Gambling Severity, and Health Correlates Among Adolescents. J Behavioral Addictions. 2014; 3(2). DOI: 10.1556/JBA.3.2014.009

Contact for Research Inquiries

Johns Hopkins Bayview Medical Center
5510 Nathan Shock Dr.
Behavioral Pharmacology Research Unit
Baltimore, MD 21224 map

Activities & Honors


  • American Academy of Child & Adolescent Psychiatry
  • American Academy of Addiction Psychiatry
  • Society of Biological Psychiatry
  • American Psychiatric Association

Professional Activities

  • Member, Amerian Academy of Child & Adolescent Psychiatry (AACAP) Substance Abuse and Addictions Committee
  • Member, Amerian Academy of Addiction Psychiatry (AAAP) Youth and Adolescence Addiction Treatment Committee
  • Member, American Academy of Addiction Psychiatry (AAAP) Research Committee
  • Member (Mid-Atlantic Node), NIDA Clinical Trials Network Youth Interest Group

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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