John Roller, M.D.
NPI 1447607627ActiveIndividual· Internal Medicine· Peoria, AZ
Internal Medicine (M.D.) in Peoria, Arizona, trained at University of North Dakota School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $1,150,205 for 741 claims, against $34,447 paid for services in 2024. Janssen Scientific Affairs, LLC was the largest of 2 companies reporting payments in 2025, $177.18 in all, mostly food and beverage.
Overview
| NPI | 1447607627 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 18, 2016 |
| Last updated in NPPES | Jul 1, 2026 |
| Certified by provider | Jul 1, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 70118 | AZ |
| Internal Medicine | 207R00000X | 04-42260 | KS |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 412 across 14 procedure codes |
| Paid by Medicare | $34,447 |
Part D prescriptions in 2024
| Prescriptions (claims) | 741 · 830 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $1,150,205 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Banner - University Medical Center PhoenixPhoenix, AZ
- Banner Desert Medical CenterMesa, AZ
Industry payments (Open Payments)
- 2025$177.18 · 2 payments from 2 companies
- 2024$43.07 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Scientific Affairs, LLC | $150.00 | 1 |
| Jazz Pharmaceuticals Inc. | $27.18 | 1 |
What the 2025 payments were for
- Food and Beverage$177.18 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Peoria · All internal medicine physicians in Arizona