George Behnam Isaac, M.D.
NPI 1588652416ActiveIndividual· Specialist· Dubuque, IA
Specialist (M.D.) in Dubuque, Iowa, licensed in IA, with an NPI issued in October 2005. Their prescriptions cost Medicare Part D more than their services did: $2,272,084 for 4,449 claims, against $642,607 paid for services in 2024. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $611.27 in all, mostly food and beverage. Lists Buchanan County Health Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1588652416 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2005 |
| Last updated in NPPES | Dec 7, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 32128 | IA |
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 - Rheumatology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 292 |
|---|---|
| Services billed | 94,168 across 37 procedure codes |
| Paid by Medicare | $642,607 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,449 · 6,687 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $2,272,084 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1983 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Buchanan County Health CenterIndependence, IA
- Finley HospitalDubuque, IA
- Guttenberg Municipal HospitalGuttenberg, IA
- Jackson County Regional Health CenterMaquoketa, IA
- Mercyone Oelwein Medical CenterOelwein, IA
Industry payments (Open Payments)
- 2025$611.27 · 30 payments from 9 companies
- 2024$692.79 · 36 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $211.06 | 13 |
| Mallinckrodt Hospital Products Inc. | $86.27 | 3 |
| Janssen Biotech, Inc. | $80.67 | 3 |
| Abbvie Inc. | $75.65 | 4 |
| Ucb, Inc. | $74.55 | 3 |
What the 2025 payments were for
- Food and Beverage$611.27 · 30 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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