SUN JOO CHUNG NP
NPI 1487213468
Nurse Practitioner - Acute Care in Tarzana, CA
About Sun Joo Chung Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUN JOO CHUNG NP (NPI 1487213468) is an individual acute care provider in Tarzana, California, licensed in California (NP95011913) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Tarzana.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sun Joo Chung Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sun Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Long Beach, CA 90806
- Reassigned Medicare billing, California enrollment
- 104 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91356 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sun Chung's NPI number?
The NPI number for Sun Chung is 1487213468. It was assigned to this individual provider in the NPPES registry on June 12, 2019.
Where is Sun Chung located?
Sun Chung practices at 18321 Clark St, Tarzana, CA 91356. The listed phone number is (818) 881-0800.
What is Sun Chung's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Sun Chung enrolled in Medicare?
Yes. Sun Chung is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sun Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sun Chung reassigns Medicare benefits to Housecall Doctors Medical Group Inc (Long 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 Sun Chung'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 Sun Chung was last updated on June 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Sun Joo Chung, NP · NPI 1487213468
Acute Care physician in Tarzana, California. Individual provider, active in the CMS NPPES registry since June 12, 2019.
## Identity
- **NPI:** 1487213468 (Entity type: Individual)
- **Enumerated:** June 12, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** NP95011913 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 18321 CLARK ST, Tarzana, CA 91356-3501
- **Phone:** (818) 881-0800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Housecall Doctors Medical Group Inc (NPI 1033164017, Long Beach, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 17, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1487213468) · Data from the CMS NPPES public registry.