Joanne C. Gwo, O.D.
Optometrist · South San Francisco, CA
Joanne C. Gwo, O.D. is an optometrist with a practice address in South San Francisco, California, and NPI 1083900336, issued on Jun 24, 2011. Check the license (California OPT14201TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne C. Gwo
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT14201TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 EL Camino Real, South San Francisco, CA 94080
- Phone
- (650) 992-5881
- Enumerated
- Jun 24, 2011
- Record last updated
- Aug 24, 2022
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1600 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Chiu, O.D.Optometrist1043376411
- Nora ChoiPharmacist1699071126
- Tsungming Hung, O.D.Optometrist1750827374
- Nicole Kong, PHARMDPharmacist1568061109
- Jamie LamOptometrist1821960154
- Derek Paw, PHARM D.Pharmacist1548735723
Verify Joanne C. Gwo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT14201TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.08
1 payment: 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.
Joanne C. Gwo among 8,308 optometrist records in California
Joanne C. Gwo, 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 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2022 · 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).
17 optometrist records list a practice address in South San Francisco
They are 17 of the 1,173 NPPES records with a practice address in South San Francisco, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in South San Francisco → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michael Chew, O.D.South San Francisco, CA 940801093788572
- Christian Chew, ODSouth San Francisco, CA 940801174134373
- Kenneth Chiu, O.D.South San Francisco, CA 940801043376411
- Khanh Dao, ODSouth San Francisco, CA 940801275608143
- John Eng, O.D.South San Francisco, CA 940801104942127
- Marianne Florendo, ODSouth San Francisco, CA 940801447667621
- Tsungming Hung, O.D.South San Francisco, CA 940801750827374
- Letitia Lii, O.D.South San Francisco, CA 940801750429981
Common questions
What is Joanne C. Gwo, O.D.'s NPI number?
Joanne C. Gwo, O.D.'s National Provider Identifier (NPI) is 1083900336, issued on Jun 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joanne C. Gwo, O.D. located?
The NPPES record lists a practice address at 1600 EL Camino Real, South San Francisco, CA, 94080. Phone: (650) 992-5881. Providers update this record themselves, so call before visiting.
How can I verify Joanne C. Gwo, O.D.'s license?
NPPES lists California license number OPT14201TLG, 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.