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KATHERINE YAU O.D.
NPI 1720376056
Optometrist in New York, NY

Active since July 20, 2011PECOS EnrolledAccepts Medicare Assignment
1 W 34TH ST STE 402, NEW YORK, NY 10001(212) 213-3737 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 11, 2026, Feb 11, 2025, Mar 7, 2018 (3 updates tracked since 2018).

About Katherine Yau O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE YAU O.D. (NPI 1720376056) is an individual optometrist in New York, New York, licensed in New York (007740) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of State University Of New York - State College Optometry (2011).

NPPES Registry Identity

NPI1720376056
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameKATHERINE YAUCredential: O.D.
Location Address1 W 34TH ST STE 402New York, NY 10001-3011
Mailing Address185 Madison Ave Fl 2New York, NY 10016-0069 · (212) 213-3737 · Fax (212) 213-3787
Phone(212) 213-3737
Sole ProprietorYes
Medical School CMSState University Of New York - State College OptometryGraduated 2011
Enumeration DateJuly 20, 2011
Last NPPES UpdateMarch 11, 20263 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1720376056 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in NY · 007740
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1 W 34TH ST STE 402, New York, NY 10001
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Yau O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032334834
PECOS Enrollment IDI20140711000962
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
38 services35 patients
Photography of content of eyes 92285
Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.
34 services31 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHERINE YAU, OPTOMETRIST, PLLC
Optometrist
1 W 34TH ST STE 402
NEW YORK, NY 10001
New York County (212) 213-3737

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 Katherine Yau's NPI number?

The NPI number for Katherine Yau is 1720376056. It was assigned to this individual provider in the NPPES registry on July 20, 2011.

Where is Katherine Yau located?

Katherine Yau practices at 1 W 34th St Ste 402, New York, NY 10001. The listed phone number is (212) 213-3737.

What is Katherine Yau's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Katherine Yau enrolled in Medicare?

Yes. Katherine Yau is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Katherine Yau accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Katherine Yau 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 Katherine Yau was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.