GUOSHENG WU MD
NPI 1881646545
Anesthesiology in Anaheim, CA
About Guosheng Wu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GUOSHENG WU MD (NPI 1881646545) is an individual anesthesiology provider in Anaheim, California, licensed in California (A86920) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Guosheng Wu 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 Guosheng Wu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92801
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
Orange, CA 92869
- Reassigned Medicare billing, California enrollment
- 168 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 2
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.
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.
ANAHEIM, CA 92801
ANAHEIM, CA 92801
ANAHEIM, CA 92801
ANAHEIM, CA 92801
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 Guosheng Wu's NPI number?
The NPI number for Guosheng Wu is 1881646545. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Guosheng Wu located?
Guosheng Wu practices at 1111 W La Palma Ave, Anaheim, CA 92801. The listed phone number is (714) 999-3828.
What is Guosheng Wu's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Guosheng Wu enrolled in Medicare?
Yes. Guosheng Wu 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 Guosheng Wu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Guosheng Wu reassigns Medicare benefits to 2 organizations: Anesthesia Specialists Of Orange County, Inc. (Anaheim, CA) and Orange Coast Anesthesia Inc (Orange, 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 Guosheng Wu'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 Guosheng Wu was last updated on October 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.