ANGELA TING TING HSU MD
NPI 1790932010
Anesthesiology - Pain Medicine in Downey, CA
About Angela Ting Ting Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANGELA TING TING HSU MD (NPI 1790932010) is an individual pain medicine provider in Downey, California, licensed in California (A94114) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2004).
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
Angela Ting Ting Hsu 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 Reassignment
Medicare enrollment records show Angela Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellflower, CA 90706
- 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.
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.
DOWNEY, CA 90242
DOWNEY, CA 90242
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 Angela Hsu's NPI number?
The NPI number for Angela Hsu is 1790932010. It was assigned to this individual provider in the NPPES registry on August 19, 2008.
Where is Angela Hsu located?
Angela Hsu practices at 9333 Imperial Hwy Dept Anesthesiology, 2nd Floor, Downey, CA 90242. The listed phone number is (562) 657-9971.
What is Angela Hsu's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Angela Hsu enrolled in Medicare?
Yes. Angela Hsu 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 Angela Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angela Hsu reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, 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 Angela Hsu'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 Angela Hsu was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Angela Ting Ting Hsu, MD · NPI 1790932010
Pain Medicine physician in Downey, California. Individual provider, active in the CMS NPPES registry since August 19, 2008.
## Identity
- **NPI:** 1790932010 (Entity type: Individual)
- **Enumerated:** August 19, 2008
- **Primary specialty:** Anesthesiology - Pain Medicine · taxonomy 207LP2900X
- **State license:** A94114 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9333 IMPERIAL HWY, DEPT ANESTHESIOLOGY, 2ND FLOOR, Downey, CA 90242-2812
- **Phone:** (562) 657-9971
## 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:** Southern California Permanente Medical Group (NPI 1043242555, Bellflower, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1790932010) · Data from the CMS NPPES public registry.