Katherine Yau, O.D.
Optometrist · New York, NY
Katherine Yau, O.D. is an optometrist with a practice address in New York, New York, and NPI 1720376056, issued on Jul 20, 2011. Check the license (New York 007740, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Yau
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 007740 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 W 34TH St Ste 402, New York, NY 10001
- Phone
- (212) 213-3737
- Enumerated
- Jul 20, 2011
- Record last updated
- Mar 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20140711000962); accepts Medicare assignment
- Medical or professional school
- State University Of New York - State College Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 3,535 in New York → Look up another NPI →
Verify Katherine Yau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 007740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average optometrist in 2024
96 Medicare Part D claims for 32 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Most prescribed
- Restasis24 claims
- Latanoprost23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $165.28
6 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Katherine Yau among 3,535 optometrist records in New York
Katherine Yau, O.D. is one of 3,535 optometrist records with a practice address in New York. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 57% of them.
- NPI issued2011 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2011 · median 2008 among the 1,667 with a school on file
- Record last updated2026 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in New York
There are 3,535 optometrist records in New York.
All 3,535 in New York → Every provider in New York → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Ellen Brand, O.D.New York, NY 100011114900321
- Melissa Carr, O.D.New York, NY 100011093848954
- Karen Chen, O.DNew York, NY 100011235326083
- Davin Dong, O.D.New York, NY 100011689987612
- Ryan Fernandez, O.D.New York, NY 100011962602748
- Howard Fried, O.D.New York, NY 100011558442806
- Genine Graff, O.DNew York, NY 100011376786111
- Janis Harris, O.D.New York, NY 100011194873448
Common questions
What is Katherine Yau, O.D.'s NPI number?
Katherine Yau, O.D.'s National Provider Identifier (NPI) is 1720376056, issued on Jul 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Yau, O.D. located?
The NPPES record lists a practice address at 1 W 34TH St Ste 402, New York, NY, 10001. Phone: (212) 213-3737. Providers update this record themselves, so call before visiting.
How can I verify Katherine Yau, O.D.'s license?
NPPES lists New York license number 007740, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Yau, O.D. prescribe under Medicare Part D?
In 2024, Katherine Yau, O.D. had 96 Medicare Part D claims for 32 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.