DR. NANCY WANG O.D.
NPI 1750466264
Optometrist in Upland, CA
About Dr. Nancy Wang O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NANCY WANG O.D. (NPI 1750466264) is an individual optometrist in Upland, California, licensed in California (11233T) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Nancy Wang O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nancy Wang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Dr Nancy Wang O D Inc
- 2 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 91786 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Nancy Wang's NPI number?
The NPI number for Nancy Wang is 1750466264. It was assigned to this individual provider in the NPPES registry on October 25, 2006.
Where is Nancy Wang located?
Nancy Wang practices at 300 N Euclid Ave Ste A, Upland, CA 91786. The listed phone number is (909) 982-9002.
What is Nancy Wang's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Nancy Wang enrolled in Medicare?
Yes. Nancy Wang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nancy Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Wang reassigns Medicare benefits to Dr. Nancy Wang, Od, Inc. (Upland, 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 Nancy Wang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nancy Wang accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Nancy Wang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Nancy Wang was last updated on February 29, 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.