William S. Velasquez, M. D.
NPI 1346201175ActiveIndividual· Internal Medicine, Hematology & Oncology· Corpus Christi, TX
Internal Medicine, Hematology & Oncology (M. D.) with American Oncology Partners PA and 1 other group, practicing in Corpus Christi, Texas. Their prescriptions cost Medicare Part D more than their services did: $6,597,983 for 2,098 claims, against $737,124 paid for services in 2024. Janssen Biotech, Inc. was the largest of 40 companies reporting payments in 2025, $11,509 in all, mostly consulting fees. Lists Houston Methodist Sugarland Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1346201175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Mar 26, 2026 |
| Certified by provider | Mar 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | E8218 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | E8218 | 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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 60,466 across 96 procedure codes |
| Paid by Medicare | $737,124 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,098 · 2,907 30-day fills |
|---|---|
| Patients | 269 |
| Total drug cost | $6,597,983 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1968 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
- Oncology Consultants, P. A.Pearland, TX · 34 clinicians
Hospital affiliations
- Houston Methodist Sugarland HospitalSugar Land, TX
- Memorial Hermann Hospital SystemHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
- Oakbend Medical CenterRichmond, TX
Industry payments (Open Payments)
- 2025$11,509 · 171 payments from 40 companies
- 2024$10,442 · 239 payments from 47 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $4,514 | 10 |
| Karyopharm Therapeutics Inc. | $2,630 | 7 |
| Abbvie Inc. | $481.51 | 10 |
| Glaxosmithkline, LLC. | $296.34 | 11 |
| Astrazeneca Pharmaceuticals LP | $238.84 | 9 |
What the 2025 payments were for
- Consulting Fee$6,443 · 2 payments
- Food and Beverage$4,328 · 165 payments
- Travel and Lodging$405.30 · 1 payment
- Grant$235.20 · 1 payment
- Education$98.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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