Elaine B Ngo, OD
Optometry · Mountain View
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 8
- 3 carriers
- Office
- 1
Offices
1 location · Fourth Optometric Care of California · 25 clinicians in this group
Plans that list them
8 plans · 3 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Ngo’s office at (650) 967-6649 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
8 of 8 plans
| Anthem Full Dual Advantage Aligned (HMO D-SNP) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Anthem Medicare Advantage (HMO-POS) | Anthem Blue Cross | Listed | Oct 3, 2026 |
| Anthem Prime (HMO-POS) | Anthem Blue Cross Partnership Plan | Listed | Oct 3, 2026 |
| Central Health Classic Care Plan III (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Dual Access Plan (HMO D-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Embrace Care Plan (HMO C-SNP) | Central Health Medicare Plan | Listed, may be out of date | Sep 15, 2025 |
| Central Health Embrace Choice Plan (HMO C-SNP) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
| Central Health Valor Care Plan (HMO) | Central Health Medicare Plan | Listed | Aug 15, 2026 |
Original Medicare doctor bills
$3,056
Medicare paid this office $3,056 for 37 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Established patient complete exam of visual system | 15 | $1,259 | $84 |
| Return visit (30+ min) | 12 | $976 | $65 |
Who their Medicare patients are
37 Original Medicare patients in 2024. Average age 77 · Women 68% · Health risk score 0.81. At or below the middle of the specialty; the typical optometry clinician is at 0.97.
Conditions among them: High blood pressure 57% · Diabetes 32%.
The office billed $10,600, Medicare allowed $6,770 and paid $3,056; for 61 services of 9 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 37 | 61 | 77 | 0.81 | $10,600 | $3,056 |
| 2023 | 37 | 65 | 73 | 0.57 | $11,386 | $5,204 |
| 2022 | 38 | 71 | 73 | 0.90 | $12,735 | $6,040 |
| 2021 | 36 | 61 | 73 | 0.77 | $11,072 | $4,907 |
| 2020 | 24 | 41 | 73 | 0.78 | $7,118 | $3,032 |
| 2019 | 26 | 38 | 74 | 0.63 | $6,508 | $3,022 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 1 service
| Established patient complete exam of visual system | 20 | $2,187 | $109 |
2022: 3 services
| Established patient complete exam of visual system | 19 | $2,115 | $111 |
| Return visit (30+ min) | 11 | $1,296 | $100 |
| Short return visit (20+ min) | 12 | $1,154 | $72 |
2021: 1 service
| Established patient complete exam of visual system | 24 | $2,410 | $100 |
2020: 1 service
| Established patient complete exam of visual system | 18 | $1,823 | $101 |
2019: 1 service
| Established patient complete exam of visual system | 22 | $2,376 | $103 |
Money from drug and device companies
$188 in 2025
| 2025 | 2 | 3 | None | $188 |
| 2024 | 1 | 1 | None | $135 |
| 2023 | 2 | 2 | None | $89 |
| 2020 | 2 | 2 | None | $105 |
| 2019 | 6 | 7 | None | $269 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Visioneering Technologies | None | $139 | 1 payment
|
| Alcon Vision | Precision7 | $49 | 2 payments
|
See all 3 published payments
| Alcon Vision | Meals · 2025-12-10 | Precision7 | $19 |
| Alcon Vision | Meals · 2025-08-22 | Precision7 | $30 |
| Visioneering Technologies | Meals · 2025-06-04 | None | $139 |
See earlier years (2024, 2023, 2020, 2019)
2024: $135
| Alcon Vision | Hydrus Microstent | $135 | 1 payment
|
2023: $89
| Dompe US | Oxervate | $68 | 1 payment
|
| Alcon Vision | Dailies Total1 | $21 | 1 payment
|
2020: $105
| Bausch & Lomb a division of Bausch Health US | Biotrue One Day | $88 | 1 payment
|
| Carl Zeiss Meditec | None Specified | $17 | 1 payment
|
2019: $269
| Bausch & Lomb a division of Bausch Health US | Biotrue One Day | $75 | 1 payment
|
| Optovue | Xr | $73 | 1 payment
|
| Alcon Vision | Dailies | $43 | 2 payments
|
| Johnson & Johnson Vision Care | Acuvue | $32 | 1 payment
|
| ABB Con-Cise Optical Group | Contact Lens | $28 | 1 payment
|
| Sun Pharmaceutical Industries | Xelpros | $19 | 1 payment
|
Professional record
- NPI
- 1316469331
- Licence
- CA OPT33700-TLG
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 152W00000X (152W00000X)
- Mailing address
- 495 Castro St, Mountain View, CA, 94041
- NPI first listed
- 2017-07-11
- NPI last updated
- 2018-03-30
This is when the NPI record was last certified, not a medical board exam.