VIET VAN DANG,M.D. INC.
NPI 1104003185
Ophthalmology in Westminster, CA
About Viet Van Dang,m.d. Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIET VAN DANG,M.D. INC. (NPI 1104003185) is a healthcare organization registered as an ophthalmology in Westminster, California and active in the NPI registry since January 2008. The organization lists Patricia Dang, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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)
Viet Van Dang,m.d. Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Viet Van Dang,m.D. Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Viet Van Dang,m.D. Inc.'s NPI number?
The NPI number for Viet Van Dang,m.D. Inc. is 1104003185. It was assigned to this organization in the NPPES registry on January 22, 2008.
Where is Viet Van Dang,m.D. Inc. located?
Viet Van Dang,m.D. Inc. is located at 10301 Bolsa Ave 104, Westminster, CA 92683. The listed phone number is (714) 775-0898.
What is Viet Van Dang,m.D. Inc.'s specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Viet Van Dang,m.D. Inc. enrolled in Medicare?
Yes. Viet Van Dang,m.D. Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Viet Van Dang,m.D. Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Ophthalmology) reassigns their Medicare billing to Viet Van Dang,m.D. Inc.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Viet Van Dang,m.D. Inc. was last updated on January 22, 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.