Erica Ngo, O.D.
Optometrist · San Mateo, CA
Erica Ngo, O.D. is an optometrist with a practice address in San Mateo, California, and NPI 1124575790, issued on Sep 1, 2016. Check the license (California 35735, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erica Ngo
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 35735 CA
Self-reported in NPPES; status is on the state search - Practice location
- 194 Hillsdale Shopping Center, San Mateo, CA 94403
- Phone
- (650) 341-8080
- Enumerated
- Sep 1, 2016
- Record last updated
- Sep 3, 2025
- Fax
- (650) 341-8565
- Medicare enrollment
- Enrolled (PECOS I20250313001628); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 194 Hillsdale Shopping Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lizeth Gonzalez, ODOptometrist1598376113
- Paris Montgomery, ODOptometrist1134737794
- William To, ODOptometrist1952756678
Verify Erica 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 35735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- William Y TO OD IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erica Ngo among 8,308 optometrist records in California
Erica 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. Its NPI, issued in 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2015 · median 2008 among the 3,573 with a school on file
- Record last updated2025 · 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.
All 8,308 in California → Every provider in San Mateo → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Karen Collom, ODSan Mateo, CA 944031104887629
- Juleanne Clarice Dino, ODSan Mateo, CA 944031730866161
- Lizeth Gonzalez, ODSan Mateo, CA 944031598376113
- Karen Herzig, ODSan Mateo, CA 944031649964909
- Cynthia Huang, ODSan Mateo, CA 944031538771068
- Minjung Lew, O.D.San Mateo, CA 944031639264179
- Paris Montgomery, ODSan Mateo, CA 944031134737794
- Jocelyn PangSan Mateo, CA 944031487759031
Common questions
What is Erica Ngo, O.D.'s NPI number?
Erica Ngo, O.D.'s National Provider Identifier (NPI) is 1124575790, issued on Sep 1, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Erica Ngo, O.D. located?
The NPPES record lists a practice address at 194 Hillsdale Shopping Center, San Mateo, CA, 94403. Phone: (650) 341-8080. Providers update this record themselves, so call before visiting.
How can I verify Erica Ngo, O.D.'s license?
NPPES lists California license number 35735, 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.