George Lai, M.D.
NPI 1043398803ActiveIndividual· Internal Medicine, Nephrology· Hayward, CA
Internal Medicine, Nephrology (M.D.) in Hayward, California, trained at Ohio State University College of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $241,805 for 1,837 claims, against $6,367 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 3 companies reporting payments in 2025, $424.92 in all, mostly food and beverage.
Overview
| NPI | 1043398803 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A63853 | 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 | 27 |
|---|---|
| Services billed | 83 across 13 procedure codes |
| Paid by Medicare | $6,367 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,837 · 4,490 30-day fills |
|---|---|
| Patients | 393 |
| Total drug cost | $241,805 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital-San JoseSan Jose, CA
Other facilities
- Davita Los Gatos DialysisDialysis facility · Los Gatos, CA
- Davita Tully DialysisDialysis facility · San Jose, CA
- Kaiser Permanente - SkyportDialysis facility · San Jose, CA
Industry payments (Open Payments)
- 2025$424.92 · 9 payments from 3 companies
- 2024$424.99 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $264.99 | 6 |
| Aimmune Therapeutics, Inc. | $124.99 | 1 |
| Gilead Sciences, Inc. | $34.94 | 2 |
What the 2025 payments were for
- Food and Beverage$424.92 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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