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Surgical Specialist, Cardiothoracic Surgeon
12 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. John Um is Excellent. Dr. Um has been reviewed by 5 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Um, MD is board certified in Surgery and Thoracic Surgery (Cardiothoracic Vascular Surgery).

  • He has special expertise in 5 areas:
  • Cardiac Surgical Procedures
  • Heart Transplantation
  • Heart Valve Diseases
  • Heart-Lung Transplantation
  • Lung Diseases

Education & Awards

Dr. Um graduated from Brown University, Providence.


Dr. Um has 6 hospital affiliations:

  • Bryanlgh Medical Center 
  • The Nebraska Medical Center 


  • English

> > > > Dr. John Um, MD

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Additional Information
Dr. John Y Um MD is a male Surgeon, has 12 years of experience and practices in Surgery, Thoracic Surgery, and Cardiothoracic Vascular Surgery.
Where does Dr. John Y. Um practice?
Dr. John Um has 3 office locations.
Dr. John Um practices Surgery, Thoracic Surgery, and Cardiothoracic Vascular Surgery near Omaha, NE.
See Omaha Surgeons and Omaha Cardiothoracic Surgeons.