Wei Ling Lau, M.D.
NPI 1558572032ActiveIndividual· Internal Medicine, Nephrology· Irvine, CA
Internal Medicine, Nephrology (M.D.) in Irvine, California, trained at Washington University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $333,142 for 938 claims, against $118,347 paid for services in 2024. Fresenius USA Marketing, Inc. reported $25.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558572032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2007 |
| Last updated in NPPES | Apr 10, 2023 |
| Certified by provider | Apr 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A98505 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 912 across 25 procedure codes |
| Paid by Medicare | $118,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 938 · 2,316 30-day fills |
|---|---|
| Patients | 119 |
| Total drug cost | $333,142 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Other facilities
- Fmc-University Dialysis Center of OrangeDialysis facility · Orange, CA
Industry payments (Open Payments)
- 2025$25.55 · 1 payment from 1 company
- 2024$214.47 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $25.55 | 1 |
What the 2025 payments were for
- Food and Beverage$25.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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