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Due to interest in the COVID-19 vaccines, we are experiencing an extremely high call volume. Please understand that our phone lines must be clear for urgent medical care needs. We are unable to accept phone calls to schedule COVID-19 vaccinations at this time. When this changes, we will update this website. Our vaccine supply remains limited. Read all COVID-19 Vaccine Information.

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John Edgar Tis, M.D.

Headshot of John Edgar Tis
  • Associate Professor of Orthopaedic Surgery


Orthopaedic Surgery


Dr. John Tis is no longer accepting new patients. Please call our appointment line at 443-997-2663 to schedule with Dr. Jay Lee who sees patients in the same locations as Dr. Tis, or view our full list of pediatric orthopaedic providers. more


  • Associate Professor of Orthopaedic Surgery

Departments / Divisions

Centers & Institutes



  • MD; Georgetown University School of Medicine (1994)


  • Orthopaedic Surgery; Walter Reed National Military Medical Center (2002)


  • Pediatric Orthopaedic Surgery; University of California San Diego Rady Children's Hospital (2003)

Board Certifications

  • American Board of Orthopaedic Surgery (Orthopaedic Sports Medicine) (2008)
  • American Board of Orthopaedic Surgery (Orthopedic Surgery) (2005)

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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