Karen J. Coleman, PhD

Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California; Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California

  • 6Articles
  • 27KReads
  • 2015–2025Active
  • 36Collaborators
  • 216Citations

About

Karen J. Coleman, PhD, is affiliated with the Department of Research and Evaluation at Kaiser Permanente Southern California and the Department of Health Systems Science at Kaiser Permanente Bernard J. Tyson School of Medicine in Pasadena, California. Coleman has contributed to six articles published between 2015 and 2025 on topics including patient care, suicide, depression, psychotic disorders, schizophrenia/schizoaffective disorders, and weight. Frequent co-authors include Gregory E. Simon, Susan M. Shortreed, Arne Beck, Rebecca C. Rossom, and Eric Johnson.

Publications

JCP
New Onset Mental Health Diagnosis and Emergent Service Utilization Associated with Bariatric Surgery
Original Research

New Onset Mental Health Diagnosis and Emergent Service Utilization Associated with Bariatric Surgery

September 10, 2025

The surgical group had lower risk of a new onset mental health diagnosis in the first 2 years after surgery and approximately 20% higher risk in years 4–8 of...
, , , et al
JCP
Clozapine Use and Specific Indications
Original Research

Clozapine Use and Specific Indications

April 29, 2024

Clozapine initiation is uncommon in people with psychotic disorders who have experienced events suggesting clozapine is indicated, with even lower rates in Black and Hispanic patients.
, , , et al
JCP
Machine Learning Prediction of Suicide Risk
Original Research

Machine Learning Prediction of Suicide Risk

August 31, 2022

Suicide assessment prompted by prediction models may be intrusive to patients with no history of suicidality. This study examined if machine learning models identify patients with high suicide risk...
, , , et al
JCP
Original Research

Antidepressant Adherence in Psychiatry and Primary Care

October 24, 2017

Does rate of adherence to antidepressants vary much between physicians? This study of electronic health records and insurance claims data investigates the question, as well as whether adherence to...
, , , et al
JCP
Article

Suicide Risk and PHQ-9 Responses

February 24, 2016

When your patients complete the Patient Health Questionnaire, they are asked about the frequency of suicidal thoughts. For patients who indicate suicidal ideation, how long does their suicide risk...
, , , et al
JCP
Original Research

Are Antidepressants for Mild Depression?

December 23, 2015

Read the full report on how often large health care systems prescribe antidepressant medication for minimal or mild depression.
, , , et al

Physicians Postgraduate Press, Inc. (PPP) makes no warranties about the accuracy or completeness of any information published in The Journal of Clinical Psychiatry or other PPP materials, and disclaims liability for any use or non-use of that information. Clinicians should not rely solely on these materials and should exercise their own professional judgment when making patient care decisions on an individualized basis.

Learn More About Psychedelics in Psychiatry

Explore the Collection
Neural network illustration symbolizing psychedelic research advancements

Subscribe to read
more articles

Subscribe