DR. JUDITH HYUNSUK CHUNG MD
NPI 1689629495
Obstetrics & Gynecology - Maternal & Fetal Medicine in Orange, CA
About Dr. Judith Hyunsuk Chung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUDITH HYUNSUK CHUNG MD (NPI 1689629495) is an individual maternal & fetal medicine provider in Orange, California, licensed in California (A71325) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1996).
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
Dr. Judith Hyunsuk Chung Md 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 Reassignments
2Medicare enrollment records show Judith Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Santa Ana, CA 92701
- Reassigned Medicare billing, California enrollment
- 255 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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
ORANGE, CA 92868
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 Judith Chung's NPI number?
The NPI number for Judith Chung is 1689629495. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Judith Chung located?
Judith Chung practices at 200 S Manchester Ave Suite 600, Orange, CA 92868. The listed phone number is (714) 456-2911.
What is Judith Chung's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.
Is Judith Chung enrolled in Medicare?
Yes. Judith 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 organizations bill Medicare for Judith Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Judith Chung reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Orange, CA) and University Of California Irvine (Santa Ana, CA). Each 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 Judith 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 Judith Chung was last updated on April 17, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Judith Hyunsuk Chung, MD · NPI 1689629495
Maternal & Fetal Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1689629495 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Obstetrics & Gynecology - Maternal & Fetal Medicine · taxonomy 207VM0101X
- **State license:** A71325 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 S MANCHESTER AVE, SUITE 600, Orange, CA 92868-3217
- **Phone:** (714) 456-2911
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1356304034, Orange, CA); University Of California Irvine (NPI 1851325906, Santa Ana, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 1996
## Record status
- **NPPES last updated:** April 17, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1689629495) · Data from the CMS NPPES public registry.