Alison Au Sinyai, O.D., P.C.
NPI 1053551820 · Optometrist · Falls Church, VA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Au Sinyai, O.D., P.C. is a Optometrist organization in Falls Church, VA (NPI 1053551820).
Provider details
- NPI number
- 1053551820
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Alison Sinyai, Optometrist(703) 517-9816
- License
- 0618001256 (VA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-03-05
- Last updated
- 2018-11-15
Frequently asked questions
- What is Alison Au Sinyai, O.D., P.C.'s NPI number?
- Alison Au Sinyai, O.D., P.C.'s National Provider Identifier (NPI) is 1053551820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alison Au Sinyai, O.D., P.C.?
- Alison Au Sinyai, O.D., P.C. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Alison Au Sinyai, O.D., P.C. located?
- Alison Au Sinyai, O.D., P.C.'s practice location on file with NPPES is 200 Little Falls St Ste 301, Falls Church, VA 22046-4302.
- What is Alison Au Sinyai, O.D., P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Alison Au Sinyai, O.D., P.C. is (703) 517-9816.
- Does Alison Au Sinyai, O.D., P.C. accept Medicare?
- Alison Au Sinyai, O.D., P.C. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Alison Au Sinyai, O.D., P.C.?
- The authorized official listed on Alison Au Sinyai, O.D., P.C.'s NPPES record is Alison Sinyai, Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alison Au Sinyai, O.D., P.C.'s NPI active?
- Yes — Alison Au Sinyai, O.D., P.C.'s NPI (1053551820) is active in the NPPES registry as of the last update on 2018-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.