WILSON BEHUNG CHWANG MD, PHD
NPI 1174751879
Radiology - Diagnostic Neuroimaging in Stanford, CA
About Wilson Behung Chwang Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILSON BEHUNG CHWANG MD, PHD (NPI 1174751879) is an individual diagnostic neuroimaging provider in Stanford, California, licensed in California (A127968) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Wilson Behung Chwang Md, Phd 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
9Medicare enrollment records show Wilson Chwang reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
- 2,460 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
San Jose, CA 95124
- Reassigned Medicare billing, California and Hawaii enrollments
- 181 clinicians in this Medicare group
Oakland, CA 94609
- Reassigned Medicare billing, California and Hawaii enrollments
- 158 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
Walnut Creek, CA 94598
- Reassigned Medicare billing, California and Hawaii enrollments
- 129 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 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 54
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Wilson Chwang's NPI number?
The NPI number for Wilson Chwang is 1174751879. It was assigned to this individual provider in the NPPES registry on July 1, 2009.
Where is Wilson Chwang located?
Wilson Chwang practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Wilson Chwang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Neuroimaging, with taxonomy code 2085D0003X.
Is Wilson Chwang enrolled in Medicare?
Yes. Wilson Chwang 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 Wilson Chwang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wilson Chwang reassigns Medicare benefits to 9 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), County Of Santa Clara (Palo Alto, CA), Solano Diagnostics Partners, A Calif Limited Partnership (Redwood City, CA), Bay Imaging Consultants Medical Group Inc (San Jose, CA) and 4 more organizations, listed in the Medicare section above. 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 Wilson Chwang'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 Wilson Chwang was last updated on April 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.