MICHELLE KA YAN WU M.D.
NPI 1598405813
Internal Medicine in San Jose, CA
About Michelle Ka Yan Wu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE KA YAN WU M.D. (NPI 1598405813) is an individual internal medicine provider in San Jose, California, licensed in California (A199699) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2022).
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
Michelle Ka Yan Wu M.d. 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 Michelle Ka Yan Wu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 2,460 clinicians in this Medicare group
Santa Clara, CA 95051
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Michelle Ka Yan Wu's NPI number?
The NPI number for Michelle Ka Yan Wu is 1598405813. It was assigned to this individual provider in the NPPES registry on April 1, 2022.
Where is Michelle Ka Yan Wu located?
Michelle Ka Yan Wu practices at 751 S Bascom Ave, San Jose, CA 95128. The listed phone number is (408) 887-6714.
What is Michelle Ka Yan Wu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michelle Ka Yan Wu enrolled in Medicare?
Yes. Michelle Ka Yan 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 Michelle Ka Yan Wu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Ka Yan Wu reassigns Medicare benefits to 2 organizations: County Of Santa Clara (San Jose, CA) and Permanente Medical Group Inc (Santa Clara, 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 Michelle Ka Yan 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 Michelle Ka Yan Wu was last updated on September 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.