Roberto Carlos Montoya Barraza, MD
NPI 1396943635ActiveIndividual· Internal Medicine, Hematology & Oncology· Rolling Meadows, IL
Internal Medicine, Hematology & Oncology (MD) with Northwest Oncology and Hematology SC, practicing in Rolling Meadows, Illinois. In 2024 Medicare paid $1,981,129 for 604 patients, and Part D covered 1,130 of their prescriptions, 72% of them generic. Janssen Biotech, Inc. was the largest of 32 companies reporting payments in 2025, $5,052 in all, mostly consulting fees. Lists Advocate Good Shepherd Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1396943635 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 9, 2007 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 036-143747 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 604 |
|---|---|
| Services billed | 114,189 across 137 procedure codes |
| Paid by Medicare | $1,981,129 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,130 · 2,028 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $2,594,913 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Northwest Oncology and Hematology SCRolling Meadows, IL · 22 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Illinois Masonic Medical CenterChicago, IL
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$5,052 · 69 payments from 32 companies
- 2024$8,987 · 108 payments from 32 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $1,468 | 2 |
| Avyxa Pharma, LLC | $1,058 | 2 |
| Geron Corporation | $780.00 | 1 |
| Novartis Pharmaceuticals Corporation | $255.15 | 11 |
| Merck Sharp & Dohme LLC | $165.27 | 7 |
What the 2025 payments were for
- Consulting Fee$2,100 · 2 payments
- Food and Beverage$1,767 · 64 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,000 · 1 payment
- Education$184.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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