Elaine B. Ngo, O.D.
Optometrist · Mountain View, CA
Elaine B. Ngo, O.D. is an optometrist with a practice address in Mountain View, California, and NPI 1316469331, issued on Jul 11, 2017. Check the license (California OPT33700-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elaine B. Ngo
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT33700-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 495 Castro St, Mountain View, CA 94041
- Phone
- (650) 967-6649
- Enumerated
- Jul 11, 2017
- Record last updated
- Mar 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (650) 967-0237
- Medicare enrollment
- Enrolled (PECOS I20180309001932); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 495 Castro St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbora Bell, ODOptometrist1669448924
- Gina Gilson, ODOptometrist1275373581
- Jennifer Hua, O.D.Optometrist1386067486
- Audrey Louie, O.D.Optometrist1548405335
- Deborah Rheam, ODOptometrist1912973280
- Kenneth Schwaderer, ODOptometrist1386610657
Verify Elaine B. 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 OPT33700-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average optometrist in 2024
11 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $134.86
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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fourth Optometric Care OF CaliforniaMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
32 optometrist records list a practice address in Mountain View
They are 32 of the 2,467 NPPES records with a practice address in Mountain View, and 8,308 optometrist records in California.
All 32 in Mountain View → All 8,308 in California → Every provider in Mountain View →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Elaine B. Ngo, O.D.'s NPI number?
Elaine B. Ngo, O.D.'s National Provider Identifier (NPI) is 1316469331, issued on Jul 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Elaine B. Ngo, O.D. located?
The NPPES record lists a practice address at 495 Castro St, Mountain View, CA, 94041. Phone: (650) 967-6649. Providers update this record themselves, so call before visiting.
How can I verify Elaine B. Ngo, O.D.'s license?
NPPES lists California license number OPT33700-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Elaine B. Ngo, O.D. prescribe under Medicare Part D?
In 2024, Elaine B. Ngo, O.D. had 11 Medicare Part D claims; 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.