ALISON AU SINYAI, O.D., P.C.
NPI 1053551820
Optometrist in Falls Church, VA
About Alison Au Sinyai, O.d., P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON AU SINYAI, O.D., P.C. (NPI 1053551820) is a healthcare organization registered as an optometrist in Falls Church, Virginia and active in the NPI registry since March 2009. The organization lists Alison A. Sinyai, Optometrist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alison Au Sinyai, O.d., P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Alison Au Sinyai, O.D., P.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
Falls Church, VA 22046
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Alison Au Sinyai, O.D., P.C.'s NPI number?
The NPI number for Alison Au Sinyai, O.D., P.C. is 1053551820. It was assigned to this organization in the NPPES registry on March 5, 2009.
Where is Alison Au Sinyai, O.D., P.C. located?
Alison Au Sinyai, O.D., P.C. is located at 200 Little Falls St Ste 301, Falls Church, VA 22046. The listed phone number is (703) 517-9816.
What is Alison Au Sinyai, O.D., P.C.'s specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Alison Au Sinyai, O.D., P.C. enrolled in Medicare?
Yes. Alison Au Sinyai, O.D., P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alison Au Sinyai, O.D., P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Alison Au Sinyai, O.D., P.C.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Alison Au Sinyai, O.D., P.C. 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 BlueCross BlueShield of Tennessee list Alison Au Sinyai, O.D., P.C. 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 Alison Au Sinyai, O.D., P.C. was last updated on November 15, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.