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DR. JAMES SUNKOOK KIM MD
NPI 1821399551
Pediatrics in Los Angeles, CA

Active since November 11, 2010PECOS Enrolled
4650 W SUNSET BLVD # 68, LOS ANGELES, CA 90027(323) 361-2122 Get Directions Write a Review

NPPES record last updated: November 5, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 5, 2021, Oct 21, 2020 (2 updates tracked since 2020).

About Dr. James Sunkook Kim Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JAMES SUNKOOK KIM MD (NPI 1821399551) is an individual pediatrics provider in Los Angeles, California, licensed in California (A111651) and active in the NPI registry since November 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821399551
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. JAMES SUNKOOK KIMCredential: MD
Location Address4650 W SUNSET BLVD # 68Los Angeles, CA 90027-6062
Mailing Address4650 W Sunset Blvd # 68Los Angeles, CA 90027-6062 · (323) 361-2122
Phone(323) 361-2122
Sole ProprietorYes
Enumeration DateNovember 11, 2010
Last NPPES UpdateNovember 5, 20212 updates tracked since enumeration
NPPES CertifiedNovember 5, 2021
✔ NPI 1821399551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A111651
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
4650 W SUNSET BLVD # 68, Los Angeles, CA 90027
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Sunkook Kim Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show James Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Medical Foundation
25 mi
Family Medicine
955 W IMPERIAL HWY STE 110
Brea, CA 92821
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1871607762 (714) 449-4900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY XIAO SONG LIU M.D.
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
JACKELYN VALLADARES M.D
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
ALISSA CALDWELL
Physical Therapist
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2226
DR. MAX SOKOLOFF MD
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
PATRICIA RAE CASTILLO M.D.
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 660-2500
ELENA TSEMBERIS MD
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-4703
KAMEELAH GATEAU
Pediatrics
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122
TIFFANY YITING CHEN
Student in an Organized Health Care Education/Training Program
4650 W SUNSET BLVD # 68
LOS ANGELES, CA 90027
Los Angeles County (323) 361-2122

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Kim's NPI number?

The NPI number for James Kim is 1821399551. It was assigned to this individual provider in the NPPES registry on November 11, 2010.

Where is James Kim located?

James Kim practices at 4650 W Sunset Blvd # 68, Los Angeles, CA 90027. The listed phone number is (323) 361-2122.

What is James Kim's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is James Kim enrolled in Medicare?

Yes. James Kim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for James Kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Kim reassigns Medicare benefits to Providence Medical Foundation (Brea, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Kim was last updated on November 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.