MEIWEN WU MD
NPI 1255312880
Radiology - Radiation Oncology in San Francisco, CA
About Meiwen Wu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEIWEN WU MD (NPI 1255312880) is an individual radiation oncology provider in San Francisco, California, licensed in California (A73496) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Meiwen 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 Reassignment
Medicare enrollment records show Meiwen Wu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94115
- Reassigned Medicare billing, California enrollment
- 9 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 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 FRANCISCO, CA 94115
SAN FRANCISCO, CA 94115
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 Meiwen Wu's NPI number?
The NPI number for Meiwen Wu is 1255312880. It was assigned to this individual provider in the NPPES registry on November 10, 2005.
Where is Meiwen Wu located?
Meiwen Wu practices at 2333 Buchanan St, San Francisco, CA 94115. The listed phone number is (209) 342-2300.
What is Meiwen Wu's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Meiwen Wu enrolled in Medicare?
Yes. Meiwen 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 organization bills Medicare for Meiwen Wu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Meiwen Wu reassigns Medicare benefits to Northern California Radiation Therapists & Oncologists Medical Group I (San Francisco, 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 Meiwen 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 Meiwen Wu was last updated on August 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.