John Jung Uk Sim, MD practises internal medicine in Los Angeles, CA. John is also listed as specialising in nephrology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Medical School Other Graduated: 1999
Areas of Expertise
INTERNAL MEDICINE (Primary)
Common questions
What is Dr. Sim's specialty?
Dr. Sim is an internal medicine in Los Angeles, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Sim?
Dr. Sim is listed at 4733 W SUNSET BLVD, Los Angeles, CA 90027. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Sim?
The number on file is (323) 783-4011. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sim's NPI number?
Dr. Sim's National Provider Identifier is 1255490868. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Sim's medical education?
Dr. Sim attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sim been practising?
Dr. Sim has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Sim confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sim. If this is you, claiming it is free.