Sherri Rauenzahn Cervantez, M.D.
NPI 1760708291ActiveIndividual· Internal Medicine, Medical Oncology· San Antonio, TX
Internal Medicine, Medical Oncology (M.D.) with University of Texas Health Science Center at San Antonio, practicing in San Antonio, Texas. 294 Medicare patients in 2024, $605,266 paid; nearly all of their 713 Part D prescriptions were generic (90%). Caris Mpi, Inc. was the largest of 2 companies reporting payments in 2025, $184.89 in all, mostly food and beverage. Lists University Health System and 1 other hospital as hospital affiliations.
Overview
| NPI | 1760708291 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2010 |
| Last updated in NPPES | Apr 7, 2026 |
| Certified by provider | Apr 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | R3044 | TX |
| Internal Medicine, Hospice and Palliative Medicine | 207RH0002X | R3044 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | R3044 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 294 |
|---|---|
| Services billed | 25,966 across 88 procedure codes |
| Paid by Medicare | $605,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 713 · 817 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $219,053 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hospice/Palliative Care |
| Telehealth | Offers telehealth |
Medical group
- University of Texas Health Science Center at San AntonioSan Antonio, TX · 1,297 clinicians
Hospital affiliations
- University Health SystemSan Antonio, TX
- Ut Health San Antonio Multispecialty & Research HoSan Antonio, TX
Industry payments (Open Payments)
- 2025$184.89 · 2 payments from 2 companies
- 2024$53.28 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Caris Mpi, Inc. | $171.05 | 1 |
| Regeneron Healthcare Solutions, Inc. | $13.84 | 1 |
What the 2025 payments were for
- Food and Beverage$184.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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