Henning Gerke, MD
NPI 1588644207ActiveIndividual· Internal Medicine, Gastroenterology· Iowa City, IA
Internal Medicine, Gastroenterology (MD) with Genesis Health System and 2 other groups, practicing in Iowa City, Iowa. 454 Medicare patients in 2024, $81,496 paid; nearly all of their 548 Part D prescriptions were generic (94%). Regeneron Healthcare Solutions, Inc. reported $116.35 in payments in 2025, mostly food and beverage. Lists Genesis Medical Center-Davenport and 1 other hospital as hospital affiliations.
Overview
| NPI | 1588644207 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 19, 2006 |
| Last updated in NPPES | Sep 2, 2021 |
| Certified by provider | Sep 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | SP161 | IA |
| Internal Medicine | 207R00000X | SP161 | IA |
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 - Gastroenterology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 454 |
|---|---|
| Services billed | 737 across 56 procedure codes |
| Paid by Medicare | $81,496 |
Part D prescriptions in 2024
| Prescriptions (claims) | 548 · 871 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $22,584 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Genesis Health SystemDavenport, IA · 261 clinicians
- Medical Associates Clinic P CDubuque, IA · 233 clinicians
- Mercy Specialty ClinicClinton, IA · 65 clinicians
Hospital affiliations
- Genesis Medical Center-DavenportDavenport, IA
- Mercyone Clinton Medical CenterClinton, IA
Industry payments (Open Payments)
- 2025$116.35 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $116.35 | 1 |
What the 2025 payments were for
- Food and Beverage$116.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 gastroenterologists in Iowa City · All gastroenterologists in Iowa