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Zackary Dov Berger, M.D., Ph.D.

Photo of Dr. Zackary Dov Berger, M.D., Ph.D.

Director, Lewisohn Elective Clerkship, MD-PhD Program

Assistant Professor of Medicine


Languages: English, Hebrew, Mandarin, Russian, Spanish, Yiddish

Expertise: Cancer Survivorship, Epidemiology, Internal Medicine, Primary Care

Research Interests: Role of the primary care provider in cancer survivorship; Doctor-patient communication; Bioethics; Social media and health; Shared decision making and patient-centered care more

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Johns Hopkins Outpatient Center
Appointment Phone: 410-955-0670

601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 443-287-6393
Fax: 410-614-1195

The Johns Hopkins Hospital (Main Entrance)
Appointment Phone: 443-287-6393

1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 443-287-6393
Fax: 410-614-1195


Zackary Berger, MD, PhD, is an assistant professor in the Division of General Internal Medicine at the Johns Hopkins School of Medicine. In addition to his work as an internist and primary care physician, Dr. Berger is an associate faculty member in the Berman Institute of Bioethics, and core faculty in the Evidence Based Practice Center as well as  the Center for Health Services and Outcomes Research. He obtained a bachelors of science degree with honors from Caltech and an MD, as well as a PhD degree in Epidemiology, from the joint program at New York University. Thereafter he completed a primary care - internal medicine residency at New York University / Bellevue Hospital.

He maintains an active clinical practice in general internal medicine, with particular clinical expertise in chronic pain, the treatment of depression and anxiety, and coordination of cancer care. His research expertise, the basis of more than 30 publications and 1 book, centers on patient-doctor communication, evidence-based medicine, patient-centered care, and social media, as well as systematic reviews and clinical bioethics. He has been funded by the Greenwall Foundation for Bioethics.

Dr. Berger is the clinical champion and co-founder of the Comprehensive Unit-Based Safety Practice team in the General Internal Medicine practice in the Johns Hopkins Outpatient Center, and teaches with residents and medical students.

In addition, he has published widely for the lay public. His first book TALKING TO YOUR DOCTOR has been referred to as the "bible of doctor-patient communication," and his second book, on bridging evidence-based medicine and patient-centered care, is forthcoming. He has spoken nationally and internationally. more


  • Director, Lewisohn Elective Clerkship, MD-PhD Program
  • Associate Editor, Johns Hopkins Physician Education and Assessment Center
  • Assistant Professor of Medicine

Departments / Divisions



  • MD, New York University School of Medicine (1998)
  • MD, New York University School of Medicine (2006)


  • New York University School of Medicine / Medicine (2009)

Board Certifications

  • American Board of Internal Medicine / Internal Medicine (2010)

Research & Publications

Research Summary

His research expertise centers on patient-doctor communication, evidence-based medicine, patient-centered care, and social media, as well as systematic reviews and clinical bioethics. He is particularly interested in the role of the primary care provider in coordination of care as well as bridging evidence-based medicine and patient-centered care.

Selected Publications

View all on Pubmed

  1. Berger Z, Flickinger TE, Pfoh E, Martinez KA, Dy SM. Promoting engagement by patients and families to reduce adverse events in acute care settings: a systematic review. BMJ Qual Saf. 2013 Dec 13. doi: 10.1136/bmjqs-2012-001769. [Epub ahead of print] PMID: 24336575
  2. Berger ZD. Capsule Commentary on Fortuna et al., Get Screened: A Randomized Trial of the Incremental Benefits of Reminders, Recall, and Outreach on Cancer Screening. J Gen Intern Med. 2013 Oct 3. [Epub ahead of print] No abstract available. PMID: 24197634
  3. Berger ZD, Brown SM. Should hospitals look like airports? Ann Intern Med. 2013 Oct 1;159(7):492-3. doi: 10.7326/0003-4819-159-7-201310010-00010. No abstract available.
    PMID: 24081288
  4. Green JB, Ross JS, Krumholz HM;Good Stewardship Working Group of the National Physicians Alliance. Reply. JAMA Intern Med. 2013 Aug 12;173(15):1474. doi: 10.1001/jamainternmed.2013.7781. No abstract available. PMID: 23939523
  5. Stein E, Berger Z, Hutfless S, Shah L, Wilson LM, Haberl EB, Bass EB, Clarke JO. Wireless Motility Capsule Versus Other Diagnostic Technologies for Evaluating Gastroparesis and Constipation: A Comparative Effectiveness Review [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US); 2013 May. PMID: 23785726
  6. Berger ZD. Electronic health records and ambulatory quality. J Gen Intern Med. 2013 Sep;28(9):1132. doi: 10.1007/s11606-013-2474-5. No abstract available. PMID: 23625268
  7. Berger ZD, Joy SM, Hutfless S, Bridges JF. Can public reporting impact patient outcomes and disparities? A systematic review. Patient Educ Couns. 2013 Dec;93(3):480-7. doi: 10.1016/j.pec.2013.03.003. Epub 2013 Apr 8. PMID: 23579038
  8. Berger Z. You're the doctor. J Gen Intern Med. 2013 May;28(5):739-40. doi: 10.1007/s11606-012-2219-x. No abstract available. PMID: 23007633
  9. Yeh HC, Brown TT, Maruthur N, Ranasinghe P, Berger Z, Suh YD, Wilson LM, Haberl EB, Brick J, Bass EB, Golden SH. Comparative effectiveness and safety of methods of insulin delivery and glucose monitoring for diabetes mellitus: a systematic review and meta-analysis. Ann Intern Med. 2012 Sep 4;157(5):336-47. Review.
    PMID: 22777524
  10. Berger ZD. Re: Appropriate use of screening and diagnostic tests to foster high-value, cost-conscious care. Ann Intern Med. 2012 Jun 19;156(12):902; author reply 903-4. doi: 10.7326/0003-4819-156-12-2201206190-00018. No abstract available.
    PMID: 22711089

Academic Affiliations & Courses

Graduate Program Affiliation

Associate Faculty, Berman Institute for BioethicsAssistant Professor (Joint Appointment), Johns Hopkins Bloomberg School of Public Health, Department of Health, Behavior, and Society

Activities & Honors


  • American Association of Communication in Healthcare
  • Society of General Internal Medicine

Videos & Media

Lectures and Presentations

  • Berman Institute Seminar Series: Encouraging Patient Autonomy‎ (01/01/2012)
  • Bridging Evidence Based Medicine and Patient-Centered Care: The Case of Localized Prostate Cancer
    Guest Scholar, Peking Union Medical College Hospital (12/01/2013)
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