William Doan Nguyen, OD
NPI 1689564486 · Low Vision Rehabilitation Optometrist · New York, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Doan Nguyen, OD is a Low Vision Rehabilitation Optometrist provider in New York, NY (NPI 1689564486).
Provider details
- NPI number
- 1689564486
- Entity type
- Individual
- Primary specialty
- Low Vision Rehabilitation OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 011250 (NY)
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
1 yr 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
- 2025-07-04
- Last updated
- 2025-07-25
- Certified
- 2025-07-25
Frequently asked questions
- What is William Doan Nguyen's NPI number?
- William Doan Nguyen's National Provider Identifier (NPI) is 1689564486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Doan Nguyen's specialty?
- William Doan Nguyen is listed in the NPPES registry with a primary specialty of Low Vision Rehabilitation Optometrist (Eye and Vision Services Providers).
- Where is William Doan Nguyen located?
- William Doan Nguyen's practice location on file with NPPES is 33 W 42nd St, New York, NY 10036-8005.
- What is William Doan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for William Doan Nguyen is (212) 938-4000.
- Does William Doan Nguyen accept Medicare?
- William Doan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Doan Nguyen's NPI active?
- Yes — William Doan Nguyen's NPI (1689564486) is active in the NPPES registry as of the last update on 2025-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.