WILLIAM T. WONG MD
NPI 1447339197
Psychiatry & Neurology - Psychiatry in Redwood City, CA
About William T. Wong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM T. WONG MD (NPI 1447339197) is an individual psychiatry provider in Redwood City, California, licensed in California (G77529) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William T. Wong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Wong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redwood City, CA 94063
- 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 94063 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.
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
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 William Wong's NPI number?
The NPI number for William Wong is 1447339197. It was assigned to this individual provider in the NPPES registry on November 3, 2006.
Where is William Wong located?
William Wong practices at 1150 Veterans Blvd, Redwood City, CA 94063. The listed phone number is (650) 299-2000.
What is William Wong's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is William Wong enrolled in Medicare?
Yes. William Wong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Wong reassigns Medicare benefits to Permanente Medical Group Inc (Redwood City, 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 William Wong'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 William Wong was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William T. Wong, MD · NPI 1447339197
Psychiatry physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since November 3, 2006.
## Identity
- **NPI:** 1447339197 (Entity type: Individual)
- **Enumerated:** November 3, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** G77529 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1150 VETERANS BLVD, Redwood City, CA 94063-2037
- **Phone:** (650) 299-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 3, 2021
- **Other identifiers:** Medicaid 00G775290 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447339197) · Data from the CMS NPPES public registry.