DR. ANGELA GIANGNGOC NGUYEN O.D, F.A.A.O
NPI 1609256742
Optometrist in Sacramento, CA
About Dr. Angela Giangngoc Nguyen O.d, F.a.a.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANGELA GIANGNGOC NGUYEN O.D, F.A.A.O (NPI 1609256742) is an individual optometrist in Sacramento, California, licensed in California (OPT33375 TLG) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS and is a graduate of State University Of New York - State College Optometry (2015).
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
Dr. Angela Giangngoc Nguyen O.d, F.a.a.o 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
2Medicare enrollment records show Angela Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sacramento, CA 95864
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Michael J Schermer MD Inc
- 8 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95823 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.
SACRAMENTO, CA 95823
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 Angela Nguyen's NPI number?
The NPI number for Angela Nguyen is 1609256742. It was assigned to this individual provider in the NPPES registry on June 3, 2015.
Where is Angela Nguyen located?
Angela Nguyen practices at 7300 Wyndham Dr, Sacramento, CA 95823. The listed phone number is (916) 525-6400.
What is Angela Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Angela Nguyen enrolled in Medicare?
Yes. Angela Nguyen 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 Angela Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angela Nguyen reassigns Medicare benefits to 2 organizations: Michael J. Schermer, MD Professional Corporation (Sacramento, CA) and Permanente Medical Group Inc (Stockton, 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 Angela Nguyen'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 Angela Nguyen was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Angela Giangngoc Nguyen, O.D, F.A.A.O · NPI 1609256742
Optometrist provider in Sacramento, California. Individual provider, active in the CMS NPPES registry since June 3, 2015.
## Identity
- **NPI:** 1609256742 (Entity type: Individual)
- **Enumerated:** June 3, 2015
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** OPT33375 TLG (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7300 WYNDHAM DR, Sacramento, CA 95823-4913
- **Phone:** (916) 525-6400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Michael J. Schermer, MD Professional Corporation (NPI 1003878497, Sacramento, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York - State College Optometry, class of 2015
## Record status
- **NPPES last updated:** January 3, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1609256742) · Data from the CMS NPPES public registry.