MICHAEL WU
NPI 1225458573
Anesthesiology - Critical Care Medicine in Oakland, CA
About Michael Wu NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL WU (NPI 1225458573) is an individual critical care medicine provider in Oakland, California, licensed in California (A138737) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Richmond, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2014).
NPPES Registry Identity
Specialties & Licenses
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
Michael Wu 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 Michael Wu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94602
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
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.
Areas of Expertise CMS Part B claims 3
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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
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 Michael Wu's NPI number?
The NPI number for Michael Wu is 1225458573. It was assigned to this individual provider in the NPPES registry on April 24, 2014.
Where is Michael Wu located?
Michael Wu practices at 3600 Broadway, Oakland, CA 94611. The listed phone number is (510) 752-1000.
What is Michael Wu's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.
Is Michael Wu enrolled in Medicare?
Yes. Michael 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 Michael Wu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Wu reassigns Medicare benefits to 2 organizations: Alameda Health System (Oakland, CA) and Permanente Medical Group Inc (Richmond, 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 Michael 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 Michael Wu was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 days 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.
# Michael Wu · NPI 1225458573
Critical Care Medicine physician in Oakland, California. Individual provider, active in the CMS NPPES registry since April 24, 2014.
## Identity
- **NPI:** 1225458573 (Entity type: Individual)
- **Enumerated:** April 24, 2014
- **Primary specialty:** Anesthesiology - Critical Care Medicine · taxonomy 207LC0200X
- **State license:** A138737 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 BROADWAY, Oakland, CA 94611-5730
- **Phone:** (510) 752-1000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Alameda Health System (NPI 1740332931, Oakland, CA); Permanente Medical Group Inc (NPI 1235226531, Richmond, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2014
## Record status
- **NPPES last updated:** August 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1225458573) · Data from the CMS NPPES public registry.