Wendy Ahn, OD
Optometrist · Los Altos, CA
Wendy Ahn, OD is an optometrist with a practice address in Los Altos, California, and NPI 1932324670, issued on Apr 16, 2007. Check the license (California 12738T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy Ahn
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12738T CA
Self-reported in NPPES; status is on the state search - Practice location
- 261 Main St, Los Altos, CA 94022
- Phone
- (650) 947-3937
- Enumerated
- Apr 16, 2007
- Entity
- Type 1 · individual
Verify Wendy Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12738TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average optometrist in 2024
40 Medicare Part D claims for 12 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 78% of claims.
Most prescribed
- Restasis13 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: $167.67
3 payments, mostly food and beverage; the largest payer was RxSight Inc. The 33,561 providers of this specialty with any payment received $749.79 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.
15 optometrist records list a Los Altos practice address
They are 15 of the 718 NPPES records with a Los Altos practice address, and 8,156 optometrist records in California.
All 15 in Los Altos → All 8,156 in California → Every provider in Los Altos →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Wendy Ahn, OD's NPI number?
Wendy Ahn, OD's National Provider Identifier (NPI) is 1932324670, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Ahn, OD located?
The NPPES record lists a practice address at 261 Main St, Los Altos, CA, 94022. Phone: (650) 947-3937. Providers update this record themselves, so call before visiting.
How can I verify Wendy Ahn, OD's license?
NPPES lists California license number 12738T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy Ahn, OD prescribe under Medicare Part D?
In 2024, Wendy Ahn, OD had 40 Medicare Part D claims for 12 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.