Adan A. Rios, MD
NPI 1942378799ActiveIndividual· Internal Medicine, Hematology & Oncology· Houston, TX
Internal Medicine, Hematology & Oncology (MD) with Ut Physicians, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $7,750,091 for 1,230 claims, against $21,411 paid for services in 2024. Kite Pharma, Inc. was the largest of 5 companies reporting payments in 2025, $10,506 in all, mostly consulting fees. Lists Memorial Hermann - Texas Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1942378799 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 1, 2006 |
| Last updated in NPPES | Sep 1, 2026 |
| Certified by provider | Sep 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | E8850 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 74 |
|---|---|
| Services billed | 230 across 8 procedure codes |
| Paid by Medicare | $21,411 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,230 · 1,509 30-day fills |
|---|---|
| Patients | 115 |
| Total drug cost | $7,750,091 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 1970 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ut PhysiciansHouston, TX · 1,765 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Memorial City HospitalHouston, TX
Industry payments (Open Payments)
- 2025$10,506 · 17 payments from 5 companies
- 2024$4,996 · 24 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kite Pharma, Inc. | $8,569 | 9 |
| Janssen Biotech, Inc. | $1,731 | 3 |
| Genmab U.S., Inc. | $154.90 | 3 |
| Astrazeneca Pharmaceuticals LP | $32.30 | 1 |
| Genzyme Corporation | $19.05 | 1 |
What the 2025 payments were for
- Consulting Fee$8,605 · 2 payments
- Travel and Lodging$1,279 · 2 payments
- Food and Beverage$622.00 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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