Douglas J. Purdy, MD
NPI 1376528562ActiveIndividual· Internal Medicine, Gastroenterology· Cedar Rapids, IA
Internal Medicine, Gastroenterology (MD) in Cedar Rapids, Iowa, trained at Southern Illinois University School of Medicine (class of 1988). 669 Medicare patients in 2024, $115,190 paid; nearly all of their 2,091 Part D prescriptions were generic (95%). Genzyme Corporation was the largest of 4 companies reporting payments in 2025, $284.07 in all, mostly food and beverage.
Overview
| NPI | 1376528562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 9, 2005 |
| Last updated in NPPES | Dec 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 29761 | 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 - Gastroenterology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 669 |
|---|---|
| Services billed | 1,569 across 39 procedure codes |
| Paid by Medicare | $115,190 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,091 · 3,499 30-day fills |
|---|---|
| Patients | 895 |
| Total drug cost | $138,876 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
Medical group
- St Lukes Methodist HospitalCedar Rapids, IA · 82 clinicians
Hospital affiliations
- Compass Memorial HealthcareMarengo, IA
- St Lukes HospitalCedar Rapids, IA
Industry payments (Open Payments)
- 2025$284.07 · 13 payments from 4 companies
- 2024$263.04 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $98.14 | 6 |
| Abbvie Inc. | $81.15 | 4 |
| Regeneron Healthcare Solutions, Inc. | $71.17 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $33.61 | 1 |
What the 2025 payments were for
- Food and Beverage$284.07 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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