Alvin Li
NPI 1225531007ActiveIndividual· Dermatology· San Mateo, CA
Dermatology in San Mateo, California, trained at Yale University School of Medicine (class of 2018). 621 Medicare patients in 2024, $784,967 paid; nearly all of their 693 Part D prescriptions were generic (98%). Lilly USA, LLC was the largest of 15 companies reporting payments in 2025, $1,561 in all, mostly food and beverage.
Overview
| NPI | 1225531007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 17, 2018 |
| Last updated in NPPES | Dec 19, 2023 |
| Certified by provider | Dec 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A176382 | CA |
| Dermatology | 207N00000X | 125.073474 | IL |
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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 4,058 across 97 procedure codes |
| Paid by Medicare | $784,967 |
Part D prescriptions in 2024
| Prescriptions (claims) | 693 · 722 30-day fills |
|---|---|
| Patients | 396 |
| Total drug cost | $49,457 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Dermatology |
Medical group
- Csi Medical GroupFullerton, CA · 111 clinicians
Industry payments (Open Payments)
- 2025$1,561 · 59 payments from 15 companies
- 2024$1,826 · 82 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $298.99 | 12 |
| Abbvie Inc. | $268.33 | 12 |
| Regeneron Healthcare Solutions, Inc. | $208.97 | 4 |
| Incyte Corporation | $119.37 | 5 |
| Ucb, Inc. | $110.82 | 4 |
What the 2025 payments were for
- Food and Beverage$1,561 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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