Darren Wai-Yi Lam, PA-C
NPI 1477095875ActiveIndividual· Physician Assistant· Manhattan Beach, CA
Physician Assistant (PA-C) with Southern California Permanente Medical Group, practicing in Manhattan Beach, California. Their prescriptions cost Medicare Part D more than their services did: $11,126 for 573 claims, against $742.72 paid for services in 2024.
Overview
| NPI | 1477095875 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Nov 16, 2016 |
| Last updated in NPPES | Dec 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 53972 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 24 across 10 procedure codes |
| Paid by Medicare | $742.72 |
Part D prescriptions in 2024
| Prescriptions (claims) | 573 · 674 30-day fills |
|---|---|
| Patients | 429 |
| Total drug cost | $11,126 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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