Errol Lamont Fields, M.D., Ph.D., M.P.H.

Headshot of Errol Lamont Fields
  • Director, Adolescent Medicine Fellowship Program
  • Associate Professor of Pediatrics


Adolescent Medicine, HIV Treatment and Prevention, Pediatrics, Transgender Health more

Research Interests

HIV, Sexually transmitted infections, Adolescents, Young adults, African American men, Men who have sex with men (MSM) more

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Insurance Information

Main Phone

Outside of Maryland & Washington D.C.

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Johns Hopkins Pediatrics

Appointment Phone: 443-997-5437
200 N. Wolfe Street
Rubenstein Child Health Building
Baltimore, MD 21287 map
Phone: 443-997-5437 | Fax: 410-502-5440


Dr. Errol L. Fields is an Associate Professor of Pediatrics in the Division of Adolescent/Young Adult Medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in the Bloomberg School of Public Health’s Department of Health, Behavior and Society.

A physician-researcher, Dr. Fields is a pediatrician and adolescent medicine subspecialist. He provides primary care and subspecialty consultative care to adolescents and young adults including gender-affirming care, inclusive sexual and reproductive health care, and treatment and prevention of HIV and other sexually transmitted infections

His research focuses on using mixed methodologies to understand and reduce HIV disparities among adolescent and young adult Black gay, bisexual and other men who have sex with men (MSM) as well as the evaluation of community-engaged practices for reducing stigma and medical distrust as key barriers to HIV prevention, treatment and research. Dr. Fields is also committed to the provision of evidence-based, culturally competent care of sexual and gender minority youth and is involved in undergraduate, graduate, and continuing medical education in this area. 

Dr. Fields began his training in research and public health while completing a master of public health at Columbia University Mailman School of Public Health. He continued his education and training in the Medical Scientist Training Program at Johns Hopkins, where he earned his medical doctorate and his doctorate in philosophy from the School of Medicine and Bloomberg School of Public Health respectively. He completed pediatric residency training at Boston Children’s Hospital and Boston Medical Center and his subspecialty fellowship training in adolescent medicine at Johns Hopkins School of Medicine. more


  • Director, Adolescent Medicine Fellowship Program
  • Director of Pediatric Education, Training & Advocacy, Johns Hopkins Center for Transgender & Gender Expansive Health
  • Associate Professor of Pediatrics

Departments / Divisions

Centers & Institutes



  • MD; Johns Hopkins University School of Medicine (2009)


  • Pediatrics; Boston Children's Hospital (2012)


  • Adolescent Medicine; Johns Hopkins University School of Medicine (2014)

Board Certifications

  • American Board of Pediatrics (Adolescent Medicine) (2016)
  • American Board of Pediatrics (Pediatrics) (2013)

Research & Publications

Research Summary

Dr. Fields’s research uses mixed methodologies to understand and reduce HIV disparities among adolescent and young adult African American gay and bisexual men, as well as other men who have sex with men (MSM).

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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