Ruben Augusto Saez, MD
NPI 1740251933ActiveIndividual· Internal Medicine, Hematology & Oncology· Plano, TX
Internal Medicine, Hematology & Oncology (MD) in Plano, Texas, trained at University of Puerto Rico School of Medicine (class of 1982). Their prescriptions cost Medicare Part D more than their services did: $9,320,330 for 2,824 claims, against $1,576,610 paid for services in 2024. Coherus Oncology, Inc. was the largest of 45 companies reporting payments in 2025, $6,833 in all, mostly food and beverage.
Overview
| NPI | 1740251933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Dec 13, 2019 |
| Certified by provider | Dec 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | G5562 | TX |
| Internal Medicine, Hematology & Oncology | 207RH0003X | ME74555 | FL |
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 - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 458 |
|---|---|
| Services billed | 98,943 across 153 procedure codes |
| Paid by Medicare | $1,576,610 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,824 · 3,631 30-day fills |
|---|---|
| Patients | 324 |
| Total drug cost | $9,320,330 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Texas Health Hospital FriscoFrisco, TX
- Texas Health Presbyterian Hospital PlanoPlano, TX
Other facilities
- Dfw Home Health McKinneyHome health agency · McKinney, TX
Industry payments (Open Payments)
- 2025$6,833 · 176 payments from 45 companies
- 2024$11,579 · 192 payments from 50 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coherus Oncology, Inc. | $2,388 | 2 |
| Astrazeneca Pharmaceuticals LP | $352.85 | 17 |
| Karyopharm Therapeutics Inc. | $336.52 | 5 |
| Novartis Pharmaceuticals Corporation | $291.11 | 11 |
| Abbvie Inc. | $227.21 | 9 |
What the 2025 payments were for
- Food and Beverage$4,339 · 174 payments
- Consulting Fee$2,250 · 1 payment
- Honoraria$244.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Plano
- 1881917037
- 1376075499
- 1568402360
- 1003070004
- 1427071612
- 1447541594
- 1841485216
- 1407119464
- 1851356828
- 1184018285
- 1821417908
- 1669507372
All Internal Medicine, Hematology & Oncology providers in Texas →