Erica Ngo, OD
Optometry · San Jose
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 5
- 1 carrier
- Office
- 1
Offices
1 location · William Y To OD Inc · 5 clinicians in this group
Looking this up.
Plans that list them
5 plans · 1 carrier
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 (408) 502-5020 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| 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| Central Health Embrace Care Plan (HMO C-SNP) | Central Health Medicare Plan | Listed, may be out of date | Sep 15, 2025 |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 |
Money from drug and device companies
$664 in 2025
| 2025 | 6 | 9 | None | $664 |
| 2019 | 7 | 30 | None | $1,557 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Alcon Vision | Hydrus Microstent | $226 | 3 payments
|
| Glaukos | Photrexa Viscous and Photrexa | $191 | 2 payments
|
| Dompe US | Oxervate | $125 | 1 payment
|
| Visioneering Technologies | None | $64 | 1 payment
|
| Johnson & Johnson Vision Care | None | $29 | 1 payment
|
| CooperVision | Myday Contact Lens | $28 | 1 payment
|
See all 9 published payments
| Alcon Vision | Meals · 2025-12-09 | Precision 1 | $28 |
| Glaukos | Meals · 2025-08-05 | Photrexa Viscous and Photrexa | $182 |
| Glaukos | Meals · 2025-07-31 | Kxl System (Not Refurbished) | $8 |
| CooperVision | Meals · 2025-07-09 | Myday Contact Lens | $28 |
| Johnson & Johnson Vision Care | Meals · 2025-06-27 | None | $29 |
| Alcon Vision | Meals · 2025-06-17 | Hydrus Microstent | $159 |
| Visioneering Technologies | Meals · 2025-06-13 | None | $64 |
| Dompe US | Meals · 2025-05-08 | Oxervate | $125 |
| Alcon Vision | Meals · 2025-04-11 | Precision 1 | $39 |
See earlier years (2019)
2019: $1,557
| Alcon Vision | Dailies | $922 | 4 payments
|
| Bausch & Lomb a division of Bausch Health US | Biotrue One Day | $310 | 7 payments
|
| Johnson & Johnson Vision Care | Acuvue | $143 | 9 payments
|
| Sun Pharmaceutical Industries | Cequa | $82 | 4 payments
|
| Shire North American Group | Xiidra | $64 | 4 payments
|
| Novartis Pharmaceuticals | Xiidra | $21 | 1 payment
|
| Eyevance Pharmaceuticals | Flarex | $15 | 1 payment
|
Professional record
- NPI
- 1124575790
- Licence
- TX 9086TG
- Group
- William Y To OD Inc
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 152W00000X (152W00000X)
- Mailing address
- 194 Hillsdale Shopping Center, San Mateo, CA, 94403
- NPI first listed
- 2016-09-01
- NPI last updated
- 2025-09-03
- NPI record certified
- 2025-09-03
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 377 Santana Row Ste 1115, San Jose, CA, 95128