DANA YEN NGUYEN OD
NPI 1780365502
Optometrist in Redondo Beach, CA
About Dana Yen Nguyen Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANA YEN NGUYEN OD (NPI 1780365502) is an individual optometrist in Redondo Beach, California, licensed in California (35561) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS.
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 (PECOS)
Dana Yen Nguyen Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dana Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Redondo Beach, CA 90277
- Reassigned Medicare billing, California enrollment
- 3 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 90277 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
REDONDO BEACH, CA 90277
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 Dana Nguyen's NPI number?
The NPI number for Dana Nguyen is 1780365502. It was assigned to this individual provider in the NPPES registry on July 25, 2023.
Where is Dana Nguyen located?
Dana Nguyen practices at 1760 S Pacific Coast Hwy, Redondo Beach, CA 90277. The listed phone number is (310) 540-3787.
What is Dana Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Dana Nguyen enrolled in Medicare?
Yes. Dana Nguyen is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dana Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dana Nguyen reassigns Medicare benefits to Jennifer Djie Witkowski, O.D. A Professional Corporation (Redondo Beach, 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 Dana Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dana Nguyen accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Dana Nguyen 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 Dana Nguyen was last updated on July 25, 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.
# Dana Yen Nguyen, OD · NPI 1780365502
Optometrist provider in Redondo Beach, California. Individual provider, active in the CMS NPPES registry since July 25, 2023.
## Identity
- **NPI:** 1780365502 (Entity type: Individual)
- **Enumerated:** July 25, 2023
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 35561 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1760 S PACIFIC COAST HWY, Redondo Beach, CA 90277-5902
- **Phone:** (310) 540-3787
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Jennifer Djie Witkowski, O.D. A Professional Corporation (NPI 1053818385, Redondo Beach, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 25, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1780365502) · Data from the CMS NPPES public registry.