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NATHAN JUNGWON KIM
NPI 1336847797
Nurse Practitioner - Pediatrics in Downey, CA

Active since February 15, 2023PECOS EnrolledAccepts Medicare Assignment
8327 DAVIS ST STE 202, DOWNEY, CA 90241(562) 923-2445 Get Directions Write a Review

NPPES record last updated: February 15, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nathan Jungwon Kim NPPES

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

NATHAN JUNGWON KIM (NPI 1336847797) is an individual pediatrics provider in Downey, California, licensed in California (NP95024170) and active in the NPI registry since February 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1336847797
Entity TypeIndividualMale
Primary Taxonomy363LP0200X
Provider Legal NameNATHAN JUNGWON KIM
Location Address8327 DAVIS ST STE 202Downey, CA 90241-4998
Mailing Address2684 N River Trail RdOrange, CA 92865-2013 · (760) 490-7285
Phone(562) 923-2445
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateFebruary 15, 2023
NPPES CertifiedFebruary 15, 2023
✔ NPI 1336847797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in CA · NP95024170
8327 DAVIS ST STE 202, Downey, CA 90241
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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 and accepts Medicare assignment

Nathan Jungwon Kim is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052853801
PECOS Enrollment IDI20240607000955
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 Nathan Kim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hoag Clinic
24 mi
Primary Care
510 SUPERIOR AVE
Newport Beach, CA 92663
  • Reassigned Medicare billing, California enrollment
  • 529 clinicians in this Medicare group
NPI 1942799523 (949) 791-3001

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 99347
An established patient home visit is a service where a healthcare professional visits your home for a 15-minute check-up. It's designed for patients who have previously seen the professional. The visit may include basic health assessments and discussions about your ongoing care.
341 services142 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
107 services72 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
20 services17 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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 3

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

DAVID G AGUILAR MD CORP
Clinic/Center (Primary Care)
8327 DAVIS ST STE 202
DOWNEY, CA 90241
Los Angeles County (562) 923-2445
HYO JUNG KIM N.P.
Nurse Practitioner (Pediatrics)
8327 DAVIS ST STE 202
DOWNEY, CA 90241
Los Angeles County (562) 923-2445
MR. DAVID GILBERT AGUILAR M.D.
Pediatrics
8327 DAVIS ST STE 202
DOWNEY, CA 90241
Los Angeles County (562) 923-2445

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 Nathan Kim's NPI number?

The NPI number for Nathan Kim is 1336847797. It was assigned to this individual provider in the NPPES registry on February 15, 2023.

Where is Nathan Kim located?

Nathan Kim practices at 8327 Davis St Ste 202, Downey, CA 90241. The listed phone number is (562) 923-2445.

What is Nathan Kim's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Nathan Kim enrolled in Medicare?

Yes. Nathan Kim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nathan Kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathan Kim reassigns Medicare benefits to Hoag Clinic (Newport Beach, 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 Nathan 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 Nathan Kim was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.