Alfredo Alejandro Santillan-Gomez, M.D., M.P.H:
NPI 1124213400ActiveIndividual· Surgery, Surgical Oncology· San Antonio, TX
Surgery, Surgical Oncology (M.D., M.P.H:) with Texas Oncology PA, practicing in San Antonio, Texas. 682 Medicare patients in 2024, $393,759 paid; nearly all of their 750 Part D prescriptions were generic (94%). Merit Medical Systems Inc was the largest of 11 companies reporting payments in 2025, $13,628 in all, mostly consulting fees. Lists Methodist Hospital as a hospital affiliation.
Overview
| NPI | 1124213400 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.P.H: |
| Sole proprietor | No |
| NPI issued | Sep 11, 2007 |
| Last updated in NPPES | Jul 29, 2022 |
| Certified by provider | Jul 29, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | M8315 | TX |
| Surgery | 208600000X | M8315 | 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 - Surgical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 682 |
|---|---|
| Services billed | 4,226 across 78 procedure codes |
| Paid by Medicare | $393,759 |
Part D prescriptions in 2024
| Prescriptions (claims) | 750 · 858 30-day fills |
|---|---|
| Patients | 277 |
| Total drug cost | $3,084 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Surgical Oncology |
| Secondary specialties | General Surgery |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliation
- Methodist HospitalSan Antonio, TX
Industry payments (Open Payments)
- 2025$13,628 · 30 payments from 11 companies
- 2024$46,790 · 48 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merit Medical Systems Inc | $12,578 | 7 |
| Baxter Healthcare | $439.46 | 8 |
| Abbvie Inc. | $124.99 | 1 |
| Amgen Inc. | $124.92 | 1 |
| Ethicon US, LLC | $121.04 | 5 |
What the 2025 payments were for
- Consulting Fee$11,178 · 5 payments
- Travel and Lodging$1,400 · 2 payments
- Food and Beverage$1,050 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 Surgery, Surgical Oncology providers in San Antonio · All Surgery, Surgical Oncology providers in Texas