Summary

Dr. John Um is a thoracic surgeon with 27 years of experience specializing in complex chest and heart procedures. He earned his medical degree from Warren Alpert Medical School of Brown University, building a strong foundation in surgical medicine. His extensive career has focused on thoracic surgery, where he addresses conditions affecting the chest cavity, lungs, and heart. Dr. Um is fluent in both Spanish and English, allowing him to communicate effectively with diverse patient populations.

Dr. Um practices at several leading medical facilities in Omaha, Nebraska, including Children's Hospital and Medical Center, University of Nebraska Medical Center, Nebraska Medical Center, Orthonebraska Hospital, and Bellevue Medical Center in Bellevue. He treats patients with heart failure, advanced chronic kidney disease, and cardiac arrhythmias. His surgical expertise includes cardiac rehabilitation procedures and specialized diagnostic testing such as prothrombin time monitoring. Patients have given him an average rating of 5.0, reflecting their confidence in his surgical skills and patient care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 27 years of experience
  • 28 insurance plans accepted
  • speaks Spanish, English
  • Warren Alpert Medical School Of Brown University
  • 1 written review
  • 1 award
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Locations

Dr. John Y Um has 5 locations

Division Of Cardiothoracic Surgery

4400 Emile StOmaha, NE 68198
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

University Of Nebraska Medical Center College Of Medicine Department Of Surgery

982315 Nebraska Medical CtrOmaha, NE 68198
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Nebraska Medical Center

4350 Dewey AveOmaha, NE 68105
Mon8:00 am - 5:30 pm
Tue8:00 am - 5:30 pm
Wed8:00 am - 5:30 pm
Thu8:00 am - 5:30 pm
Fri8:00 am - 5:30 pm
SatClosed
SunClosed

Orthonebraska Hospital

2808 S 143rd PlzOmaha, NE 68144

Bellevue Medical Center

2510 Bellevue Medical Center DrBellevue, NE 68123

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Dr. John Y Um, MD
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Dr. John Y Um, MDJoshua Thomas QuesenberryDr. William Brett GuthmillerDr. James Keith Hazen
Thoracic SurgeryNurse PractitionerAnesthesiologySurgery
Accepts New Patients Accepts New Patients
27 Years of Experience 3 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English
Omaha , NEOmaha , NEDes Moines , IAOmaha , NE
Med School: Warren Alpert Medical School Of Brown University Med School: University Of Texas Southwestern Medical School
Current Profile
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Insurance Plans Accepted by Dr. John Y Um

  • Aetna
  • Aetna - PPO
  • Ambetter - Medicaid (Managed)
  • AmeriGroup
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Nebraska
  • Empire Plan
  • First Choice Health
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Mutual of Omaha
  • Mutual of Omaha - Medicare
  • Optum Health
  • Palmetto GBA
  • Palmetto GBA - Medicare
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • Wellcare

Medical Specialties

Dr. John Y Um has the following 2 specialties

Specialty Expertise

Dr. John Y Um has the following 11 areas of expertise

  • Aneurysm
  • Cardiac Surgical Procedures
  • Deep Vein Thrombosis
  • Diabetes Complications
  • Heart Transplantation
  • Heart Valve Diseases
  • Heart-Lung Transplantation
  • Lung Diseases
  • Surgery
  • Varicose Veins
  • Vascular Malformations

Certifications, License, & Education

27 Years Experience

Dr. John Y Um holds an active medical license in the state of Nebraska.

Medical License

Medical Doctor with an active medical license in the state of Nebraska that expires in 2026.

Education & Training

Medical School

Graduated from Warren Alpert Medical School Of Brown University in 1999.

NPI Number

Dr. Um's NPI number is 1134346745.

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Frequently Asked Questions

How can I make an appointment with Dr. John Um?
You can find contact information for Dr. John Um here on Vitals.
Which hospitals is Dr. John Um affiliated with?
Dr. John Um is affiliated with Childrens Hospital And Medical Center.
Where is Dr. John Um's office located?
Dr. John Um's office is located at 4400 Emile St, Omaha, NE, 68198.
What languages does Dr. John Um speak?
Dr. John Um speaks Spanish and English.
Does Dr. John Um accept virtual/telehealth appointments?
Dr. John Um has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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