Andres Eduardo Mendez-Hernandez, M.D.
NPI 1487006813ActiveIndividual· Internal Medicine, Hematology & Oncology· Stanford, CA
Internal Medicine, Hematology & Oncology (M.D.) with Avera McKennan, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $57,076 for 130 claims, against $15,900 paid for services in 2024. Kite Pharma, Inc. was the largest of 14 companies reporting payments in 2025, $685.09 in all, mostly food and beverage. Lists Avera Marshall Regional Medical Ctr and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1487006813 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2016 |
| Last updated in NPPES | Aug 11, 2023 |
| Certified by provider | Jul 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A188614 | CA |
| Internal Medicine | 207R00000X | 125068361 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | RS2020-0510 | NM |
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 (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 183 across 13 procedure codes |
| Paid by Medicare | $15,900 |
Part D prescriptions in 2024
| Prescriptions (claims) | 130 · 154 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $57,076 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Avera McKennanSioux Falls, SD · 959 clinicians
Hospital affiliations
- Avera Marshall Regional Medical CtrMarshall, MN
- Avera McKennan Hospital & University Health CenterSioux Falls, SD
- Avera Queen of PeaceMitchell, SD
- Avera St Mary's HospitalPierre, SD
- Sioux Center HealthSioux Center, IA
Industry payments (Open Payments)
- 2025$685.09 · 17 payments from 14 companies
- 2024$368.22 · 12 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kite Pharma, Inc. | $151.31 | 2 |
| Daiichi Sankyo Inc. | $123.48 | 1 |
| Geron Corporation | $106.12 | 1 |
| Celgene Corporation | $76.10 | 2 |
| Regeneron Healthcare Solutions, Inc. | $37.75 | 1 |
What the 2025 payments were for
- Food and Beverage$685.09 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 hematologist-oncologists in Stanford · All hematologist-oncologists in California