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Internist, Nephrologist (kidney)
40 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 (2)

The overall average patient rating of Dr. Liem Oei is Excellent. Dr. Oei has been reviewed by 12 patients who have provided 2 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. Liem Oei, MD is board certified in Internal Medicine and Nephrology.

  • He has special expertise in 15 areas:
  • Diabetes
  • Gynecology
  • Kidney Disease (Glomerulonephritis)
  • Kidney Transplant (Renal Transplant)
  • Nephrology
  • Neurology
  • Neurosurgery
  • Occupational Therapy
  • Pediatrics
  • Physical Therapy Modalities
  • Preventive Medicine
  • Psychiatry
  • Pulmonology
  • Rheumatology
  • Women's Health

Education & Awards

Dr. Oei graduated from Universite Catholique De Louvain, Brussels. He has 1 awards.

Compassionate Doctor Recognition (2014)


Dr. Oei has 32 hospital affiliations:

  • Siouxland Surgery Center Lp 
  • Mercy Medical Center-Sioux City 


  • Indonesian
  • Dutch

> > > > Dr. Liem Oei, MD

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Additional Information
Dr. Liem Som Oei MD is a male Internist, has 40 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. Liem S. Oei practice?
Dr. Liem Oei has 11 office locations.
Dr. Liem Oei practices Internal Medicine and Nephrology near Sioux City, IA.
Additional practice locations include: Cherokee, IA and Storm Lake, IA.
See Sioux City Internists and Sioux City Nephrologists.