CHIACHEN HSU MD
NPI 1215015003
Physical Medicine & Rehabilitation in Oakland, CA
About Chiachen Hsu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIACHEN HSU MD (NPI 1215015003) is an individual physical medicine & rehabilitation provider in Oakland, California, licensed in California (A90444) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Chiachen 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 Chiachen Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond, CA 94801
- Reassigned Medicare billing, California enrollment
- 20,078 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.
OAKLAND, CA 94611
OAKLAND, CA 94611
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 Chiachen Hsu's NPI number?
The NPI number for Chiachen Hsu is 1215015003. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is Chiachen Hsu located?
Chiachen Hsu practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (510) 752-1000.
What is Chiachen Hsu's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Chiachen Hsu enrolled in Medicare?
Yes. Chiachen 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 Chiachen Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chiachen Hsu reassigns Medicare benefits to Permanente Medical Group Inc (Richmond, 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 Chiachen 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 Chiachen Hsu was last updated on December 20, 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.