~ JohnSim.MD.com ~

Dr. John Sim is a nephrologist in Los Angeles. He treats conditions affecting the kidneys such as renal failure, kidney stones, or chronic kidney disease.

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Dr. Sim has one office in California where he specializes in Nephrology. Learn more.

Dr. Sim works with twenty-six doctors including Dr. Arnel Reyes and Dr. Mario Vera.

Hospital Affiliations

  • Kaiser Permanente Medical Center

Languages Spoken  

  • English

Kaiser Permanente Medical Group  


5119 Pomona Blvd, Los Angeles, California 90022-1711

Office Hours

  Open Lunch Close
Mon 7:00 am 7:00 pm
Tue 7:00 am 7:00 pm
Wed 7:00 am 7:00 pm
Thu 7:00 am 7:00 pm
Fri 7:00 am 7:00 pm

Office Details

Doctor Specialty Nephrology
Practice SpecialtyMulti-specialty
Group PracticeKaiser Permanente Medical Group
Health SystemKaiser Permanente
Hospital Affiliation
  • Kaiser Permanente Medical Center
Languages Spoken Arabic, English, French, German, Italian, Korean, Mandarin, Polish, Portuguese, Russian, Spanish, Tagalog, Vietnamese

Insurances Accepted  

  • Aetna
  • BlueCross BlueShield
  • WellPoint