NPPES file of Aug 9, 2026

Lisa Choon Hong Tsang, O.D.

Optometrist · San Francisco, CA

Lisa Choon Hong Tsang, O.D. is an optometrist with a practice address in San Francisco, California, and NPI 1952565582, issued on Jul 13, 2008. Check the license (California 13488, 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
1952565582
Name
Lisa Choon Hong Tsang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13488 CA
Self-reported in NPPES; status is on the state search
Practice location
2574 San Bruno Ave, San Francisco, CA 94134
Phone
(415) 391-9686
Enumerated
Jul 13, 2008
Record last updated
Jan 26, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101013000440); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2574 San Bruno Ave

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

  1. Lluvia ChanRegistered Nurse1225536485
  2. Jessica ChenClinical Social Worker1780107011
  3. Yitin Chen, DOFamily Medicine Physician1972842904
  4. Yu Ting He, MDInternal Medicine Physician1508326026
  5. Elliott LamPharmacist1700501954
  6. Albert Leung, M.D.Emergency Medicine Physician1861781551

Verify Lisa Choon Hong Tsang 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 13488
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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82% fewer Medicare Part D claims than the average optometrist in 2024

50 Medicare Part D claims for 15 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Lisa Tsang50
  2. Specialty average277

Most prescribed

  1. Latanoprost33 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.

Bills Medicare through 2 group practices

  1. Chinese Hospital AssociationDaly City, CA
  2. County OF San MateoDaly City, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lisa Choon Hong Tsang among 8,308 optometrist records in California

Lisa Choon Hong Tsang, 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2008 · median 2008 among the 3,573 with a school on file
  • Record last updated2017 · 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. Julia ShaoSan Francisco, CA 941341881276129
  2. Anna W.y. Szeto, O.D.San Francisco, CA 941341356755755
  3. Peggy Zhu, ODSan Francisco, CA 941341497206270
  4. Theresa Chew, O.D.San Francisco, CA 941331265423131
  5. Richard Chong, ODSan Francisco, CA 941331780679431
  6. Andrew Kwong, ODSan Francisco, CA 941331114509718
  7. Avon Kwong, ODSan Francisco, CA 941331427029123
  8. Simon Lai, O.D.San Francisco, CA 941331710392204

Common questions

What is Lisa Choon Hong Tsang, O.D.'s NPI number?

Lisa Choon Hong Tsang, O.D.'s National Provider Identifier (NPI) is 1952565582, issued on Jul 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Lisa Choon Hong Tsang, O.D. located?

The NPPES record lists a practice address at 2574 San Bruno Ave, San Francisco, CA, 94134. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.

How can I verify Lisa Choon Hong Tsang, O.D.'s license?

NPPES lists California license number 13488, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lisa Choon Hong Tsang, O.D. prescribe under Medicare Part D?

In 2024, Lisa Choon Hong Tsang, O.D. had 50 Medicare Part D claims for 15 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.