NPPES file of Aug 9, 2026

Theresa Tai Ngor Chew, O.D.

Optometrist · San Francisco, CA

Theresa Tai Ngor Chew, O.D. is an optometrist with a practice address in San Francisco, California, and NPI 1265423131, issued on Oct 31, 2005. Check the license (California 09873T, 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
1265423131
Name
Theresa Tai Ngor Chew
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
09873T CA
Self-reported in NPPES; status is on the state search
Practice location
781 Vallejo St, San Francisco, CA 94133
Phone
(415) 677-9930
Enumerated
Oct 31, 2005
Record last updated
Jul 19, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(415) 677-9599
Medicaid IDs
SD0098730 CA
GSD004530 CA
1043474133 CA
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 781 Vallejo St

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

  1. Simon Lai, O.D.Optometrist1710392204

Verify Theresa Tai Ngor Chew 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 09873T
    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: $149.68

1 payment: 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. Theresa Chew$149.68
  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.

Theresa Tai Ngor Chew among 8,308 optometrist records in California

Theresa Tai Ngor Chew, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2010 · 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. Richard Chong, ODSan Francisco, CA 941331780679431
  2. Avon Kwong, ODSan Francisco, CA 941331427029123
  3. Andrew Kwong, ODSan Francisco, CA 941331114509718
  4. Simon Lai, O.D.San Francisco, CA 941331710392204
  5. Kelvin Mak, O.D.San Francisco, CA 941331376633883
  6. Cecilia Mui, ODSan Francisco, CA 941331144346180
  7. Teresa Wu, O.D.San Francisco, CA 941331538591177
  8. Jonah Yee, ODSan Francisco, CA 941331932249489

Common questions

What is Theresa Tai Ngor Chew, O.D.'s NPI number?

Theresa Tai Ngor Chew, O.D.'s National Provider Identifier (NPI) is 1265423131, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Theresa Tai Ngor Chew, O.D. located?

The NPPES record lists a practice address at 781 Vallejo St, San Francisco, CA, 94133. Phone: (415) 677-9930. Providers update this record themselves, so call before visiting.

How can I verify Theresa Tai Ngor Chew, O.D.'s license?

NPPES lists California license number 09873T, 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.