Nancy Ngan-Hong Ngo, O.D.
Optometrist · San Jose, CA
Nancy Ngan-Hong Ngo, O.D. is an optometrist with a practice address in San Jose, California, and NPI 1811044662, issued on Jan 4, 2007. Check the license (California 11188, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nancy Ngan-Hong Ngo
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11188 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5058 Union Ave, San Jose, CA 95124
- Phone
- (408) 559-2020
- Enumerated
- Jan 4, 2007
- Record last updated
- Jan 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 5058 Union Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kim Ngo, DDSGeneral Practice Dentistry1215013834
Verify Nancy Ngan-Hong Ngo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11188Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nancy Ngan-Hong Ngo among 8,308 optometrist records in California
Nancy Ngan-Hong Ngo, 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 not. Its NPI, issued in 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2013 · 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).
207 optometrist records list a practice address in San Jose
They are 207 of the 20,925 NPPES records with a practice address in San Jose, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,308 in California → Every provider in San Jose → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Marjan Baker, O.D.San Jose, CA 951241497935274
- Dale Barr, ODSan Jose, CA 951241396749123
- Justina Cho, ODSan Jose, CA 951241407367923
- Grace Daijo, ODSan Jose, CA 951241366553729
- Linn Hong, O.D.San Jose, CA 951241518901016
- Leeanna Nguyen, O.D.San Jose, CA 951241750434015
- Vivian Rice, ODSan Jose, CA 951241932179801
- Yunwei Chang, O.D.San Jose, CA 951231427592773
Common questions
What is Nancy Ngan-Hong Ngo, O.D.'s NPI number?
Nancy Ngan-Hong Ngo, O.D.'s National Provider Identifier (NPI) is 1811044662, issued on Jan 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Ngan-Hong Ngo, O.D. located?
The NPPES record lists a practice address at 5058 Union Ave, San Jose, CA, 95124. Phone: (408) 559-2020. Providers update this record themselves, so call before visiting.
How can I verify Nancy Ngan-Hong Ngo, O.D.'s license?
NPPES lists California license number 11188, 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. 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.