WILLIAM WANG DO, A MEDICAL CORPORATION
NPI 1528839263
Family Medicine in Hacienda Heights, CA
About William Wang Do, A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM WANG DO, A MEDICAL CORPORATION (NPI 1528839263) is a healthcare organization registered as a family medicine in Hacienda Heights, California and active in the NPI registry since January 2024. The organization lists William Wang, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Wang Do, A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to William Wang Do, A Medical Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Wang Do, A Medical Corporation's NPI number?
The NPI number for William Wang Do, A Medical Corporation is 1528839263. It was assigned to this organization in the NPPES registry on January 11, 2024.
Where is William Wang Do, A Medical Corporation located?
William Wang Do, A Medical Corporation is located at 3246 Cabo Blanco Dr, Hacienda Heights, CA 91745. The listed phone number is (626) 756-7655.
What is William Wang Do, A Medical Corporation's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Wang Do, A Medical Corporation enrolled in Medicare?
Yes. William Wang Do, A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through William Wang Do, A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to William Wang Do, A Medical Corporation, in Family Practice and Nurse Practitioner. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for William Wang Do, A Medical Corporation was last updated on February 2, 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.
# William Wang Do, A Medical Corporation · NPI 1528839263
Family Medicine organization in Hacienda Heights, California. Organization record, active in the CMS NPPES registry since January 11, 2024.
## Identity
- **NPI:** 1528839263 (Entity type: Organization)
- **Enumerated:** January 11, 2024
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** William Wang, CEO
## Practice location
- **Address:** 3246 CABO BLANCO DR, Hacienda Heights, CA 91745-6603
- **Phone:** (626) 756-7655
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (2), Family Practice (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1528839263) · Data from the CMS NPPES public registry.