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Physician Profile

John JUNG UK Sim, MD

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At a glance

About Dr. Sim

John JUNG UK Sim, MD practices nephrology in Los Angeles, CA. The provider's National Provider Identifier (NPI) is 1255490868.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Medical School Other Graduated: 1999

Specialty

Nephrology (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 73136CurrentExpires Apr 2028Since 2000
NPINational Provider Identifier
1255490868Issued 2006

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Dr. Sim's specialty?

Dr. Sim is a kidney specialist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.

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. Contact the office directly to confirm availability and scheduling.

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 practicing?

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.

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