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Sara Elizabeth Barnes Mixter, M.D., M.P.H.

Photo of Dr. Sara Elizabeth Barnes Mixter, M.D., M.P.H.

Assistant Professor of Medicine


Expertise: Internal Medicine

Research Interests: Primary care education; Quality of healthcare; Care for patients with developmental disabilities

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Johns Hopkins Outpatient Center


601 N. Caroline St. Baltimore, MD 21287 map

Phone: 410-955-1018 | Fax: 410-614-1195

Johns Hopkins Medicine - Green Spring Station


10753 Falls Road Pavilion II Suite 325 Lutherville, MD 21093 map

Phone: 410-583-2774 | Fax: 410-583-2883


Dr. Sara Mixter is Assistant Professor of Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are internal medicine, pediatrics, and primary care for adults with developmental disabilities. 

Dr. Mixter received her A.B from Harvard College. She earned her M.D. from Harvard Medical School and M.P.H. from the Harvard School of Public Health. She completed her residency at Johns Hopkins as part of the inaugural group of trainees in the Urban Health Combined Internal Medicine-Pediatrics Residency Program.

Her research interests include primary care education for residents and medical students, especially around quality improvement and high-value care, and transitions of care for adolescents with special healthcare needs. ?

Dr. Mixter has served as the Assistant Chief of Service for the Longcope firm of the Osler Medical Housestaff Training Program (2015-16), as well as Assistant Program Director for Ambulatory Education (2014-15). more


  • Assistant Professor of Medicine



  • MD, Harvard Medical School (2010)


  • Johns Hopkins University School of Medicine / Medicine and Pediatrics (2014)

Activities & Honors


  • Student Teaching Award, Johns Hopkins Department of Medicine, 2013

Professional Activities

  • Co-director, High-Value Care Committee, Johns Hopkins Department of Medicine
  • Assistant Chief of Service, Housestaff Training Program, Johns Hopkins Department of Medicine
  • Member, Patient-Centered Medical Home Accountable Care Organization (PCMH-ACO) Roundtable

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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