JOANNE D DU OD
NPI 1649852120
Optometrist in Gilroy, CA
About Joanne D Du Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNE D DU OD (NPI 1649852120) is an individual optometrist in Gilroy, California, licensed in California (34922) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Joanne D Du Od 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 Reassignment
Medicare enrollment records show Joanne Du reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cupertino, CA 95014
- Reassigned Medicare billing, California enrollment
- 22 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 95020 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 3
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 Joanne Du's NPI number?
The NPI number for Joanne Du is 1649852120. It was assigned to this individual provider in the NPPES registry on April 24, 2021.
Where is Joanne Du located?
Joanne Du practices at 6815 Camino Arroyo Ste 60, Gilroy, CA 95020. The listed phone number is (408) 900-2000.
What is Joanne Du's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Joanne Du enrolled in Medicare?
Yes. Joanne Du 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 organization bills Medicare for Joanne Du's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Du reassigns Medicare benefits to Spectrum Eye Physicians, A Medical Corporation (Cupertino, 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 Joanne Du's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanne Du accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Joanne Du 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 Joanne Du was last updated on July 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Joanne D Du, OD · NPI 1649852120
Optometrist provider in Gilroy, California. Individual provider, active in the CMS NPPES registry since April 24, 2021.
## Identity
- **NPI:** 1649852120 (Entity type: Individual)
- **Enumerated:** April 24, 2021
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34922 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6815 CAMINO ARROYO STE 60, Gilroy, CA 95020-7077
- **Phone:** (408) 900-2000 · **Fax:** (408) 713-3046
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Spectrum Eye Physicians, A Medical Corporation (NPI 1487601522, Cupertino, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern California College Of Optometry, class of 2021
## Record status
- **NPPES last updated:** July 17, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1649852120) · Data from the CMS NPPES public registry.