NPPES file of Aug 9, 2026

James Sunkook Kim, MD

Pediatrics Physician · Los Angeles, CA

James Sunkook Kim, MD is a pediatrics physician with a practice address in Los Angeles, California, and NPI 1821399551, issued on Nov 11, 2010. Check the license (California A111651, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821399551
Name
James Sunkook Kim
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A111651 CA
Self-reported in NPPES; status is on the state search
Practice location
4650 W Sunset Blvd # 68, Los Angeles, CA 90027
Phone
(323) 361-2122
Enumerated
Nov 11, 2010
Record last updated
Nov 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4650 W Sunset Blvd # 68

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Raymen Assaf, MD, MPHPediatrics Physician1609376144
  2. Abigail BrennerPediatrics Physician1770164360
  3. Ngoc Bui, MDPediatrics Physician1770087389
  4. Samuel Burnim, MD, MBA, M.SC.Pediatrics Physician1295485894
  5. Alissa CaldwellPhysical Therapist1043626799
  6. Patricia Castillo, M.D.Pediatrics Physician1093014557

Verify James Sunkook Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A111651
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $124.76

6 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Kim$124.76
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

James Sunkook Kim among 9,272 pediatrics physician records in California

James Sunkook Kim, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2021 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

919 pediatrics physician records list a practice address in Los Angeles

They are 919 of the 69,537 NPPES records with a practice address in Los Angeles, and 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Lamis Al-Ahmad, M.D.Los Angeles, CA 900271356445522
  2. Eyal Ben-Isaac, MDLos Angeles, CA 900271689779597
  3. Clement Cheung, M.D., PH.D.Los Angeles, CA 900271437165826
  4. Edward Epstein, M.D.Los Angeles, CA 900271568420768
  5. Joyce Javier, MDLos Angeles, CA 900271033172754
  6. Richard Ko, M.D.Los Angeles, CA 900271003841693
  7. Jill Lekovic, M.D.Los Angeles, CA 900271265543185
  8. Kanokporn Mongkolrattanothai, MDLos Angeles, CA 900271174592950

Common questions

What is James Sunkook Kim, MD's NPI number?

James Sunkook Kim, MD's National Provider Identifier (NPI) is 1821399551, issued on Nov 11, 2010. An NPI identifies a provider in billing; it is not a license.

Where is James Sunkook Kim, MD located?

The NPPES record lists a practice address at 4650 W Sunset Blvd # 68, Los Angeles, CA, 90027. Phone: (323) 361-2122. Providers update this record themselves, so call before visiting.

How can I verify James Sunkook Kim, MD's license?

NPPES lists California license number A111651, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.