Carlos N. Casas, M.D.
NPI 1467480038ActiveIndividual· Internal Medicine· Laredo, TX
Internal Medicine (M.D.) in Laredo, Texas, licensed in TX, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $3,973,151 for 23,176 claims, against $167,564 paid for services in 2024. Viiv Healthcare Company was the largest of 7 companies reporting payments in 2025, $675.60 in all, mostly food and beverage. Lists Doctors Hospital of Laredo and 1 other hospital as hospital affiliations.
Overview
| NPI | 1467480038 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Aug 30, 2022 |
| Certified by provider | Aug 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K1384 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 2,935 across 42 procedure codes |
| Paid by Medicare | $167,564 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23,176 · 42,113 30-day fills |
|---|---|
| Patients | 701 |
| Total drug cost | $3,973,151 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Doctors Hospital of LaredoLaredo, TX
- Laredo Medical CenterLaredo, TX
Other facilities
- Care Guardian Health Services IncHome health agency · Laredo, TX
- First Aide Home Care, LLCHome health agency · Laredo, TX
- Friendly Care Home Health Services, LLCHome health agency · Laredo, TX
- Healing Hands Home Health Care LLCHome health agency · Laredo, TX
- La Esperanza Home Health IncHome health agency · Laredo, TX
- Laredo Medical CenterNursing home · Laredo, TX
- Laredo South Nursing and Rehabilitation CenterNursing home · Laredo, TX
- La Frontera Nursing & RehabilitationNursing home · Laredo, TX
- Laredo Nursing and Rehabilitation CenterNursing home · Laredo, TX
Industry payments (Open Payments)
- 2025$675.60 · 25 payments from 7 companies
- 2024$492.80 · 26 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $280.05 | 8 |
| Lilly USA, LLC | $132.36 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $95.89 | 4 |
| Astrazeneca Pharmaceuticals LP | $66.95 | 4 |
| Sumitomo Pharma America, Inc. | $45.96 | 2 |
What the 2025 payments were for
- Food and Beverage$675.60 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 internal medicine physicians in Laredo · All internal medicine physicians in Texas