HYUN KYUNG KWAK FNP-BC
NPI 1326700790
Nurse Practitioner - Family in Irvine, CA
About Hyun Kyung Kwak Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HYUN KYUNG KWAK FNP-BC (NPI 1326700790) is an individual family provider in Irvine, California, licensed in California (95018181) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Hyun Kyung Kwak Fnp-bc 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.
Medicare Billing Reassignment
Medicare enrollment records show Hyun Kyung Kwak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 529 clinicians in this Medicare group
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92604
IRVINE, CA 92604
IRVINE, CA 92604
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 Hyun Kyung Kwak's NPI number?
The NPI number for Hyun Kyung Kwak is 1326700790. It was assigned to this individual provider in the NPPES registry on October 12, 2021.
Where is Hyun Kyung Kwak located?
Hyun Kyung Kwak practices at 4900 Barranca Pkwy, Irvine, CA 92604. The listed phone number is (949) 791-3103.
What is Hyun Kyung Kwak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Hyun Kyung Kwak enrolled in Medicare?
Yes. Hyun Kyung Kwak 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 Hyun Kyung Kwak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hyun Kyung Kwak 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 Hyun Kyung Kwak'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 Hyun Kyung Kwak was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Hyun Kyung Kwak, FNP-BC · NPI 1326700790
Family physician in Irvine, California. Individual provider, active in the CMS NPPES registry since October 12, 2021.
## Identity
- **NPI:** 1326700790 (Entity type: Individual)
- **Enumerated:** October 12, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95018181 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4900 BARRANCA PKWY, Irvine, CA 92604-8603
- **Phone:** (949) 791-3103
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Hoag Clinic (NPI 1942799523, Newport Beach, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1326700790) · Data from the CMS NPPES public registry.