Erik Hans Hoyer, M.D.

Headshot of Erik Hans Hoyer
  • Vice Chair for Quality, Safety and Satisfaction, Department of Physical Medicine and Rehabilitation
  • Associate Professor of Physical Medicine and Rehabilitation

Languages: English, Spanish


Back Pain, Electrodiagnostic Medicine (EMG), Musculoskeletal Rehabilitation, Neurologic Rehabilitation, Pain Management, Physical Medicine and Rehabilitation more

Research Interests

Quality Improvement; Brain Plasticity

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Outside of Maryland & Washington D.C.

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The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 443-997-5476
1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287
Phone: 410-614-4030 | Fax: 410-614-4033
The Johns Hopkins Hospital (Main Entrance) - Google Maps

Johns Hopkins Medicine - White Marsh

Appointment Phone: 443-997-5476
4924 Campbell Boulevard
Suite 130
Nottingham, MD 21236
Phone: 410-614-4030 | Fax: 410-614-4033
Johns Hopkins Medicine - White Marsh - Google Maps


Dr. Erik Hoyer is an assistant professor of physical medicine and rehabilitation at the Johns Hopkins University School of Medicine. His clinical interests include inpatient rehabilitation, musculoskeletal and neurological rehabilitation, injection procedures to manage abnormal muscle tone (spasticity) and electrodiagnostic medicine (EMG).

As the vice chair for quality, safety and service, he leads efforts to improve patient safety and care at Johns Hopkins, including an initiative called activity and mobility promotion (AMP) to get patients up and moving following surgery.

Dr. Erik Hoyer graduated summa cum laude and received his master's degree in computer science from Brandeis University prior to graduating from the Sackler School of Medicine in Tel Aviv, Israel. He completed his internship in internal medicine at North Shore University Hospital in Manhasset, New York, and subsequently finished his residency in physical medicine and rehabilitation from Johns Hopkins University. He excelled during his residency, receiving the Hopkins Healer award twice, and was selected as a trainee to the Rehabilitation Medicine Scientist Training Program.

Dr. Hoyer’s research interests include quality improvement, implementation science and health services research focused on improving outcomes for hospitalized patients. more


  • Vice Chair for Quality, Safety and Satisfaction, Department of Physical Medicine and Rehabilitation
  • Co-director, Activity and Mobility Promotion Program, Department of Physical Medicine and Rehabilitation
  • Associate Professor of Physical Medicine and Rehabilitation
  • Assistant Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MD; Sackler School of Medicine (2006)


  • Physical Medicine and Rehabilitation; Johns Hopkins University School of Medicine (2010)

Board Certifications

  • American Board of Physical Medicine and Rehab (Physical Medicine & Rehabilitation) (2011)

Research & Publications

Research Summary

Dr. Hoyer conducts research studying motor recovery after stroke from both behavioral and neurophysiologic perspectives under the mentorship of Amy Bastian, Ph.D., and Pablo Celnik, M.D.

His recent research showed that patients freshly discharged from acute care hospitals with low scores on a standard test that measures how well they perform such everyday activities as moving from a bed to a chair are far more likely to need readmission to a hospital within 30 days than those who score better.

Selected Publications

Brotman DJ, Hoyer E, Deutschendorf A. Hospital-readmission risk - isolating hospital effects. N Engl J Med. 2017 Dec 21;377(25):2504-5. doi: 10.1056/NEJMc1713509

Pronovost PJ, Brotman DJ, Hoyer EH, Deutschendorf A. Reconsidering hospital readmission measures. J Hosp Med. 2017 Dec;12(12):1009-1011. doi: 10.12788/jhm.2799. 

Hoyer EH, Brotman DJ, Apfel A, Leung C, Boonyasai RT, Richardson M, Lepley D, Deutschendorf A. Improving outcomes after hospitalization: a prospective observational multicenter evaluation of care coordination strategies for reducing 30-day readmissions to Maryland Hospitals. J Gen Intern Med. 2017 Nov 27. doi: 10.1007/s11606-017-4218-4. 

Hoyer EH, Young DL, Klein LM, Kreif J, Shumock K, Hiser S, Friedman M, Lavezza A, Jette A, Chan KS, Needham DM. Toward a common language for measuring patient mobility in the hospital: reliability and construct validity of interprofessional mobility measures. Phys Ther. 2017 Nov 2. doi: 10.1093/ptj/pzx110. PubMed PMID: 29106679.

Hoyer EH, Padula WV, Brotman DJ, Reid N, Leung C, Lepley D, Deutschendorf A. Patterns of hospital performance on the hospital-wide 30-day readmission metric: is the playing field level? J Gen Intern Med. 2017 Oct 2. doi: 10.1007/s11606-017-4193-9. PubMed PMID: 28971369.

Activities & Honors


  • Hopkins Healer Award, Johns Hopkins University School of Medicine

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