HUGH SUNG CHUNG
NPI 1639309156
Surgery in Orange, CA
About Hugh Sung Chung NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HUGH SUNG CHUNG (NPI 1639309156) is an individual surgery provider in Orange, California, licensed in California (A136961) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fullerton, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Hugh Sung Chung 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
7Medicare enrollment records show Hugh Chung reassigns Medicare billing to 7 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
- 180 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Pomona, CA 91767
- Reassigned Medicare billing, California enrollment
- 12 clinicians in this Medicare group
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Riverside, CA 92504
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Salinas, CA 93905
- Reassigned Medicare billing, California enrollment
- 284 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 6
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 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
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 Hugh Chung's NPI number?
The NPI number for Hugh Chung is 1639309156. It was assigned to this individual provider in the NPPES registry on July 17, 2009.
Where is Hugh Chung located?
Hugh Chung practices at 333 City Blvd W Suite 1600, Orange, CA 92868. The listed phone number is (714) 456-5840.
What is Hugh Chung's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Hugh Chung enrolled in Medicare?
Yes. Hugh 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 Hugh Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hugh Chung reassigns Medicare benefits to 7 organizations: University Surgeons Of Orange A Medical Group (Orange, CA), Providence Medical Foundation (Orange, CA), Anaheim Surgical Associates (Anaheim, CA), The Institute Of Trauma And Acute Care Inc (Pomona, CA), El-Bershawi Medical Corp (Riverside, CA) and 2 more organizations, listed in the Medicare section above. 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 Hugh 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 Hugh Chung was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Hugh Sung Chung · NPI 1639309156
Surgery physician in Orange, California. Individual provider, active in the CMS NPPES registry since July 17, 2009.
## Identity
- **NPI:** 1639309156 (Entity type: Individual)
- **Enumerated:** July 17, 2009
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A136961 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 333 CITY BLVD W, SUITE 1600, Orange, CA 92868-3298
- **Phone:** (714) 456-5840
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA); Providence Medical Foundation (NPI 1801443510, Orange, CA); Anaheim Surgical Associates (NPI 1598899718, Anaheim, CA); The Institute Of Trauma And Acute Care Inc (NPI 1740711324, Pomona, CA); El-Bershawi Medical Corp (NPI 1386813103, Riverside, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 2009
## Record status
- **NPPES last updated:** July 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639309156) · Data from the CMS NPPES public registry.