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Jennifer Cox Janus, M.D.

Photo of Dr. Jennifer Cox Janus, M.D.


Primary Care


Johns Hopkins Community Physicians - Hagerstown

12916 Conamar Drive
Hagerstown, MD 21740 map


Jennifer Janus, M.D., is a dual board-certified internal medicine-pediatrics physician with Johns Hopkins Community Physicians. After earning her bachelor’s degree, with a major in biology and minor in psychology, from Johns Hopkins University in 1994, she attended medical school at the University of Maryland, graduating in 2002. She went on to complete her residency in internal medicine-pediatrics at the University of Michigan in 2006.

Dr. Janus is also a clinical instructor with Johns Hopkins Community Physicians. She enjoys teaching and has precepted pre-medical, medical and nurse practitioner students. Prior to joining Johns Hopkins, she was an assistant professor at West Virginia University Medical System-East. While in medical school, she taught board review courses and tutored first year students. During her residency, she helped create an “Intern Boot Camp” to educate first year residents on common inpatient issues. When she joined the Johns Hopkins team, Dr. Janus created an educational series to help train medical assistants at her Hagerstown practice. She has also provided lectures to the community on topics including Lyme disease and Substance Use Disorder.

Dr. Janus provides primary care to patients of all ages and is particularly interested in mental health and substance use disorders. more



  • University of Michigan Health System / Medicine and Pediatrics (2006)

Board Certifications

  • American Board of Internal Medicine / Internal Medicine (2007)
  • American Board of Pediatrics / Pediatrics (2006)

Activities & Honors


  • Academy of Clinical Excellence, Johns Hopkins Community Physicians, 2017
  • AMA Physician’s Recognition Award, American Medical Association
  • Howard Silver Award for Outstanding Community Service, University of Maryland Family Practice Department
  • Johns Hopkins Student Excellence Award for Leadership and Service, Johns Hopkins University


  • American Academy of Pediatrics
  • American College of Physicians

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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