Elizabeth Flores Eisenmenger
NPI 1154827707ActiveIndividual· Internal Medicine, Medical Oncology· San Antonio, TX
Internal Medicine, Medical Oncology in San Antonio, Texas, trained at University of Texas Medical School at Houston (class of 2018). Mostly services rather than prescriptions: Medicare paid $4,362 for 21 patients in 2024, with only 11 Part D claims. Pharmaessentia USA Corporation was the largest of 4 companies reporting payments in 2025, $403.07 in all, mostly food and beverage.
Overview
| NPI | 1154827707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 3, 2018 |
| Last updated in NPPES | Jul 9, 2026 |
| Certified by provider | Jul 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | V1076 | TX |
| Internal Medicine | 207R00000X | V1076 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | V1076 | 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 | 21 |
|---|---|
| Services billed | 52 across 11 procedure codes |
| Paid by Medicare | $4,362 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 15 30-day fills |
|---|---|
| Total drug cost | $2,112 |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| 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$403.07 · 9 payments from 4 companies
- 2024$149.53 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pharmaessentia USA Corporation | $214.85 | 6 |
| E.R. Squibb & Sons, L.L.C. | $124.99 | 1 |
| Janssen Biotech, Inc. | $35.28 | 1 |
| Novartis Pharmaceuticals Corporation | $27.95 | 1 |
What the 2025 payments were for
- Food and Beverage$403.07 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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