DR. ANN MY NGUYEN O.D.
NPI 1972727683
Optometrist in San Francisco, CA
About Dr. Ann My Nguyen O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN MY NGUYEN O.D. (NPI 1972727683) is an individual optometrist in San Francisco, California, licensed in California (12456) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Ann My Nguyen O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ann Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
San Francisco, CA 94132
- 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 94108 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
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 Ann Nguyen's NPI number?
The NPI number for Ann Nguyen is 1972727683. It was assigned to this individual provider in the NPPES registry on April 12, 2007.
Where is Ann Nguyen located?
Ann Nguyen practices at 360 Post St Ste 1005, San Francisco, CA 94108. The listed phone number is (415) 982-2020.
What is Ann Nguyen's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Ann Nguyen enrolled in Medicare?
Yes. Ann Nguyen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ann Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Nguyen reassigns Medicare benefits to 2 organizations: Verissa Lam Optometry Corporation (San Francisco, CA) and Kevin Tan, MD And Productions, Inc (San Francisco, 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 Ann Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Nguyen accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Ann 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 Ann Nguyen was last updated on March 7, 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.