OANH DUONG
NPI 1205531993
Optometrist in Sepulveda, CA
About Oanh Duong NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OANH DUONG (NPI 1205531993) is an individual optometrist in Sepulveda, California, licensed in California (OPT35479TLG) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Oanh Duong 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 Reassignments
3Medicare enrollment records show Oanh Duong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northridge, CA 91325
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Glendale, CA 91205
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- 8 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 91343 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTH HILLS, CA 91343
SEPULVEDA, CA 91343
NORTH HILLS, CA 91343
SEPULVEDA, CA 91343
SEPULVEDA, CA 91343
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 Oanh Duong's NPI number?
The NPI number for Oanh Duong is 1205531993. It was assigned to this individual provider in the NPPES registry on April 3, 2023.
Where is Oanh Duong located?
Oanh Duong practices at 16111 Plummer St, Sepulveda, CA 91343. The listed phone number is (818) 891-7711.
What is Oanh Duong's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Oanh Duong enrolled in Medicare?
Yes. Oanh Duong 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 organizations bill Medicare for Oanh Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oanh Duong reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Northridge, CA), Glendale Optometric Center (Glendale, CA) and Huntington Optometric Center (Alhambra, CA). Each 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 Oanh Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Oanh Duong was last updated on October 15, 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.
# Oanh Duong · NPI 1205531993
Optometrist provider in Sepulveda, California. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1205531993 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT35479TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 16111 PLUMMER ST, Sepulveda, CA 91343-2036
- **Phone:** (818) 891-7711
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1013409036, Northridge, CA); Glendale Optometric Center (NPI 1801093653, Glendale, CA); Huntington Optometric Center (NPI 1902452188, Alhambra, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** October 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1205531993) · Data from the CMS NPPES public registry.