William S. Lim, M.D.
NPI 1023107380ActiveIndividual· Ophthalmology· El Paso, TX
Ophthalmology (M.D.) with Southern California Permanente Medical Group, practicing in El Paso, Texas. Their prescriptions cost Medicare Part D more than their services did: $91,670 for 2,157 claims, against $2,866 paid for services in 2024. Alcon Vision LLC was the largest of 2 companies reporting payments in 2025, $287.23 in all, mostly food and beverage.
Overview
| NPI | 1023107380 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Dec 1, 2021 |
| Certified by provider | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A99969 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 15 |
|---|---|
| Services billed | 24 across 12 procedure codes |
| Paid by Medicare | $2,866 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,157 · 5,454 30-day fills |
|---|---|
| Patients | 551 |
| Total drug cost | $91,670 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$287.23 · 4 payments from 2 companies
- 2024$121.42 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $144.95 | 1 |
| Abbott Laboratories | $142.28 | 3 |
What the 2025 payments were for
- Food and Beverage$287.23 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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