Ying Ting Lau
NPI 1558780544ActiveIndividual· Internal Medicine· Downey, CA
Internal Medicine with Southern California Permanente Medical Group, practicing in Downey, California. Their prescriptions cost Medicare Part D more than their services did: $19,220 for 288 claims, against $3,415 paid for services in 2024. Lists Kaiser Foundation Hospital - Downey as a hospital affiliation.
Overview
| NPI | 1558780544 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 8, 2014 |
| Last updated in NPPES | Dec 13, 2025 |
| Certified by provider | Dec 13, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A144786 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 30 across 5 procedure codes |
| Paid by Medicare | $3,415 |
Part D prescriptions in 2024
| Prescriptions (claims) | 288 · 462 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $19,220 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - DowneyDowney, CA
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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All 129 internal medicine physicians in Downey · All internal medicine physicians in California