Katherine Yau, Optometrist, PLLC
NPI 1649033523 · Optometrist · New York, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Yau, Optometrist, PLLC is a Optometrist organization in New York, NY (NPI 1649033523).
Provider details
- NPI number
- 1649033523
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Katherine Wong, Owner/Optometrist(212) 213-3737
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Other names (DBA / former)
- Doing business as
- New York Vision Associates
Additional practice locations (2)
- 1 W 34th St Ste 402New York, NY 10001-3011Phone: (212) 213-3737Fax: (212) 213-3787
- 185 Madison Ave Fl 2New York, NY 10016-0069Phone: (212) 213-3737Fax: (212) 213-3787
Registry dates
- Enumerated
- 2024-02-02
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Katherine Yau, Optometrist, PLLC's NPI number?
- Katherine Yau, Optometrist, PLLC's National Provider Identifier (NPI) is 1649033523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Katherine Yau, Optometrist, PLLC?
- Katherine Yau, Optometrist, PLLC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Katherine Yau, Optometrist, PLLC located?
- Katherine Yau, Optometrist, PLLC's practice location on file with NPPES is 1 W 34th St Ste 402, New York, NY 10001-3011.
- What is Katherine Yau, Optometrist, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Katherine Yau, Optometrist, PLLC is (212) 213-3737.
- Does Katherine Yau, Optometrist, PLLC accept Medicare?
- Katherine Yau, Optometrist, PLLC 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 Katherine Yau, Optometrist, PLLC?
- The authorized official listed on Katherine Yau, Optometrist, PLLC's NPPES record is Katherine Wong, Owner/Optometrist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Katherine Yau, Optometrist, PLLC's NPI active?
- Yes — Katherine Yau, Optometrist, PLLC's NPI (1649033523) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.