Lena R. Arous, M.D.
NPI 1790953560ActiveIndividual· Internal Medicine· Valencia, CA
Internal Medicine (M.D.) in Valencia, California, licensed in CA and TN, with an NPI issued in February 2008. Their prescriptions cost Medicare Part D more than their services did: $221,724 for 3,236 claims, against $988.75 paid for services in 2024. Lilly USA, LLC was the largest of 9 companies reporting payments in 2025, $722.21 in all, mostly food and beverage.
Overview
| NPI | 1790953560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 14, 2008 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A124309 | CA |
| Internal Medicine | 207R00000X | MD0000046346 | TN |
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 | 13 |
|---|---|
| Services billed | 15 across 7 procedure codes |
| Paid by Medicare | $988.75 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,236 · 8,554 30-day fills |
|---|---|
| Patients | 528 |
| Total drug cost | $221,724 |
| Generic share | 85% of claims |
Industry payments (Open Payments)
- 2025$722.21 · 15 payments from 9 companies
- 2024$20.57 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $153.34 | 4 |
| Novo Nordisk Inc | $149.85 | 2 |
| Regeneron Pharmaceuticals, Inc. | $129.94 | 1 |
| Amgen Inc. | $122.17 | 1 |
| Gilead Sciences, Inc. | $60.49 | 2 |
What the 2025 payments were for
- Food and Beverage$722.21 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Valencia
- 1053754689
- 1104867555
- 1205827623
- 1225165731
- 1326052887
- 1487856779
- 1649298738
- 1679193221
- 1679802854
- 1780926154
- 1801826748
- 1841302635
All 55 internal medicine physicians in Valencia · All internal medicine physicians in California