NPPES file of Aug 9, 2026

May Szeto, O.D.

Optometrist · San Francisco, CA

May Szeto, O.D. is an optometrist with a practice address in San Francisco, California, and NPI 1942495122, issued on Sep 11, 2007. Check the license (California OPT13775TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942495122
Name
May Szeto
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License numbers
OPT13775TLG CA
TUV007162 NY
Self-reported in NPPES; status is on the state search
Practice location
252 5TH St, San Francisco, CA 94103
Phone
(415) 913-7137
Enumerated
Sep 11, 2007
Record last updated
Oct 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(415) 913-7154
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 252 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Meng Zhen Deng, ODOptometrist1053838417

Verify May Szeto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license OPT13775TLG
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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Industry payments in 2024: $183.34

3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.

  1. May Szeto$183.34
  2. Specialty average$769.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

May Szeto among 8,308 optometrist records in California

May Szeto, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2019 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Optometrist providers in California

There are 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Eileen Chan, O.D.San Francisco, CA 941031851468110
  2. Vincent Dagron, O.D.San Francisco, CA 941031245275916
  3. Meng Zhen Deng, ODSan Francisco, CA 941031053838417
  4. Anisha Pradhan, ODSan Francisco, CA 941031881238145
  5. Jack Sinow, O.D.San Francisco, CA 941031700969193
  6. Allen Taing, ODSan Francisco, CA 941031659250819
  7. Lois Valenti, O.D.San Francisco, CA 941031447392667
  8. Stephen Woo, O.D.San Francisco, CA 941031255476248

Common questions

What is May Szeto, O.D.'s NPI number?

May Szeto, O.D.'s National Provider Identifier (NPI) is 1942495122, issued on Sep 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is May Szeto, O.D. located?

The NPPES record lists a practice address at 252 5TH St, San Francisco, CA, 94103. Phone: (415) 913-7137. Providers update this record themselves, so call before visiting.

How can I verify May Szeto, O.D.'s license?

NPPES lists California license number OPT13775TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.