ANN YAHAN CHUNG NP-C
NPI 1588024723
Nurse Practitioner - Family in Monterey Park, CA
About Ann Yahan Chung Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN YAHAN CHUNG NP-C (NPI 1588024723) is an individual family provider in Monterey Park, California, licensed in California (95004146) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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 and accepts Medicare assignment
Ann Yahan Chung Np-c 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 Ann Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 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 91754 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
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 Ann Chung's NPI number?
The NPI number for Ann Chung is 1588024723. It was assigned to this individual provider in the NPPES registry on March 1, 2016. The provider is also known as Yahan Chung Np-C.
Where is Ann Chung located?
Ann Chung practices at 500 N Garfield Ave Ste 304, Monterey Park, CA 91754. The listed phone number is (626) 307-6600.
What is Ann Chung's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Ann Chung enrolled in Medicare?
Yes. Ann Chung 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 Ann Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Chung reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, 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 Ann 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 Ann Chung was last updated on December 13, 2022. 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.
# Ann Yahan Chung, NP-C · NPI 1588024723
Family physician in Monterey Park, California. Individual provider, active in the CMS NPPES registry since March 1, 2016.
## Identity
- **NPI:** 1588024723 (Entity type: Individual)
- **Enumerated:** March 1, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95004146 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 500 N GARFIELD AVE STE 304, Monterey Park, CA 91754-1242
- **Phone:** (626) 307-6600 · **Fax:** (626) 656-8076
## 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:** Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 13, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1588024723) · Data from the CMS NPPES public registry.