Placeholder Photo for John J. Sim, MD

Health care leader whose mission is to keep you healthy. Under-one-roof convenience, 24-hour advice nurse, and online access to manage your health - anytime.


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Kaiser Permanente 4700 Sunset Medical Offices Building  

Accepting New Patients?

Yes, Dr. John J. Sim is accepting new patients at this office.


4700 W Sunset Boulevard, Los Angeles, CA 90027

Office Details

Doctor Specialty Nephrology
Accepting New Patients? Yes
Languages Spoken English

Insurance Accepted  

Please contact the doctor’s office to inquire about insurance.

About Dr. Sim
Dr. Sim



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

Dr. Sim works with thirty-one doctors including Dr. David Reynolds and Dr. Mateo Ledezma.


Languages Spoken  

  • English