Leslie I. Lu, MD
NPI 1104921402ActiveIndividual· Internal Medicine· Mission Viejo, CA
Internal Medicine (MD) in Mission Viejo, California, trained at University of California, Geffen School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $632,575 for 7,055 claims, against $115,500 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $352.26 in all, mostly food and beverage.
Overview
| NPI | 1104921402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 13, 2006 |
| Last updated in NPPES | Nov 5, 2021 |
| Certified by provider | Nov 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G85467 | CA |
| Internal Medicine | 207R00000X | MD00033606 | WA |
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 | 305 |
|---|---|
| Services billed | 4,736 across 50 procedure codes |
| Paid by Medicare | $115,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,055 · 17,022 30-day fills |
|---|---|
| Patients | 556 |
| Total drug cost | $632,575 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Memorialcare Saddleback Medical CenterLaguna Hills, CA
- Providence Mission HospitalMission Viejo, CA
Other facilities
- Providence at Home With Compassus Home Health Orange CountyHome health agency · Anaheim, CA
- Providence at Home With Compassus Home Health, Orange County SouthHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$352.26 · 16 payments from 8 companies
- 2024$168.54 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $75.73 | 3 |
| Glaxosmithkline, LLC. | $75.30 | 4 |
| Abbvie Inc. | $53.76 | 2 |
| Sumitomo Pharma America, Inc. | $48.06 | 2 |
| Novartis Pharmaceuticals Corporation | $37.87 | 2 |
What the 2025 payments were for
- Food and Beverage$352.26 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 internal medicine physicians in Mission Viejo · All internal medicine physicians in California