Alfonso Villamil, MD
NPI 1669451548ActiveIndividual· Internal Medicine, Hematology & Oncology· Corpus Christi, TX
Internal Medicine, Hematology & Oncology (MD) with Coastal Bend Cancer Center, PA, practicing in Corpus Christi, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,152,660 for 968 claims, against $766,190 paid for services in 2024. Genmab U.S., Inc. was the largest of 17 companies reporting payments in 2025, $1,206 in all, mostly food and beverage. Lists Corpus Christi Medical Center,the as a hospital affiliation.
Overview
| NPI | 1669451548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Jul 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | K1120 | 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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 212 |
|---|---|
| Services billed | 70,438 across 69 procedure codes |
| Paid by Medicare | $766,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 968 · 1,360 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $1,152,660 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Coastal Bend Cancer Center, PACorpus Christi, TX · 6 clinicians
Hospital affiliation
- Corpus Christi Medical Center,theCorpus Christi, TX
Industry payments (Open Payments)
- 2025$1,206 · 40 payments from 17 companies
- 2024$1,018 · 41 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genmab U.S., Inc. | $123.55 | 1 |
| E.R. Squibb & Sons, L.L.C. | $122.97 | 1 |
| Novartis Pharmaceuticals Corporation | $122.84 | 6 |
| Pharmaessentia USA Corporation | $114.91 | 1 |
| Janssen Biotech, Inc. | $99.99 | 1 |
What the 2025 payments were for
- Food and Beverage$1,106 · 39 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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