Dawson To-Sang Li, O.D.
NPI 1114998622ActiveIndividual· Optometrist· Bakersfield, CA
Optometrist (O.D.) in Bakersfield, California, trained at Illinois College of Optometry at Chicago (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $118,650 for 283 claims, against $13,115 paid for services in 2024. Alcon Vision LLC was the largest of 5 companies reporting payments in 2025, $280.92 in all, mostly food and beverage.
Overview
| NPI | 1114998622 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 11173 T | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 124 |
|---|---|
| Services billed | 253 across 11 procedure codes |
| Paid by Medicare | $13,115 |
Part D prescriptions in 2024
| Prescriptions (claims) | 283 · 388 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $118,650 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Optometry |
Medical group
- Li and Liao Optometry PCBakersfield, CA · 5 clinicians
Industry payments (Open Payments)
- 2025$280.92 · 14 payments from 5 companies
- 2024$1,669 · 19 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $140.90 | 9 |
| Optos, Inc. | $91.98 | 2 |
| Bausch & Lomb Americas Inc. | $20.11 | 1 |
| Tarsus Pharmaceuticals, Inc. | $14.26 | 1 |
| Biotissue Holdings Inc. | $13.67 | 1 |
What the 2025 payments were for
- Food and Beverage$188.94 · 12 payments
- Entertainment$91.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other optometrists in Bakersfield
- 1053483313
- 1053503979
- 1073605457
- 1114538402
- 1235805318
- 1366496044
- 1376191452
- 1376642967
- 1508885245
- 1548365562
- 1558084541
- 1639464555
All 119 optometrists in Bakersfield · All optometrists in California