Duc Au, O.D.
NPI 1528166154 · Optometrist · Falls Church, VA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duc Au, O.D. is a Optometrist provider in Falls Church, VA (NPI 1528166154).
Provider details
- NPI number
- 1528166154
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12785TPA (CA)
Specialties & taxonomies
Eye and Vision Services Providers
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
19 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
- 2006-09-20
- Last updated
- 2017-05-05
Frequently asked questions
- What is Duc Au's NPI number?
- Duc Au's National Provider Identifier (NPI) is 1528166154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duc Au's specialty?
- Duc Au is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Duc Au located?
- Duc Au's practice location on file with NPPES is 444 W. Broad Street, Falls Church, VA 22046-3344.
- What is Duc Au's phone number?
- The practice phone number listed in the NPPES registry for Duc Au is (703) 534-8111.
- Does Duc Au accept Medicare?
- Duc Au is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duc Au's NPI active?
- Yes — Duc Au's NPI (1528166154) is active in the NPPES registry as of the last update on 2017-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.