DR. GRACE J CHUNG
NPI 1093088726
Obstetrics & Gynecology in Los Angeles, CA
About Dr. Grace J Chung NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GRACE J CHUNG (NPI 1093088726) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A119757) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Grace J Chung is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Grace Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 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 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Grace Chung's NPI number?
The NPI number for Grace Chung is 1093088726. It was assigned to this individual provider in the NPPES registry on February 10, 2012.
Where is Grace Chung located?
Grace Chung practices at 321 S Sherbourne Dr Apt 105, Los Angeles, CA 90048. The listed phone number is (714) 742-2520.
What is Grace Chung's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Grace Chung enrolled in Medicare?
Yes. Grace Chung is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Grace Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Chung reassigns Medicare benefits to Southern California Permanente Medical Group (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 Grace 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 Grace Chung was last updated on October 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Grace J Chung · NPI 1093088726
Obstetrics & Gynecology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since February 10, 2012.
## Identity
- **NPI:** 1093088726 (Entity type: Individual)
- **Enumerated:** February 10, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A119757 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 321 S SHERBOURNE DR APT 105, Los Angeles, CA 90048-3399
- **Phone:** (714) 742-2520
## 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:** Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 22, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1093088726) · Data from the CMS NPPES public registry.