BRIAN HSIEH
NPI 1669762001
Anesthesiology in Torrance, CA
About Brian Hsieh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN HSIEH (NPI 1669762001) is an individual anesthesiology provider in Torrance, California, licensed in California (A123006) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS and is a graduate of Other (2011).
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
Brian Hsieh 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 Brian Hsieh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gardena, CA 90247
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Hawthorne, CA 90250
- 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.
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 Brian Hsieh's NPI number?
The NPI number for Brian Hsieh is 1669762001. It was assigned to this individual provider in the NPPES registry on April 18, 2011.
Where is Brian Hsieh located?
Brian Hsieh practices at 2003 Artesia Blvd Unit 120, Torrance, CA 90504. The listed phone number is (949) 468-7046.
What is Brian Hsieh's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Brian Hsieh enrolled in Medicare?
Yes. Brian Hsieh 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 Brian Hsieh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Hsieh reassigns Medicare benefits to 2 organizations: Knd Development 59 LLC (Gardena, CA) and Southern California Permanente Medical Group (Hawthorne, 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 Brian Hsieh'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 Brian Hsieh was last updated on April 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.