Michael D. Obrien, MD
NPI 1295793420ActiveIndividual· Internal Medicine, Gastroenterology· Clive, IA
Internal Medicine, Gastroenterology (MD) in Clive, Iowa, trained at Tulane University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $606,615 for 1,288 claims, against $104,846 paid for services in 2024. Lumendi LLC was the largest of 4 companies reporting payments in 2025, $209.58 in all, mostly food and beverage.
Overview
| NPI | 1295793420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 4, 2006 |
| Last updated in NPPES | May 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 30471 | 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 | 455 |
|---|---|
| Services billed | 2,712 across 43 procedure codes |
| Paid by Medicare | $104,846 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,288 · 1,891 30-day fills |
|---|---|
| Patients | 425 |
| Total drug cost | $606,615 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
Medical group
- Iowa Digestive Disease Center PCClive, IA · 24 clinicians
Hospital affiliations
- Greene County Medical CenterJefferson, IA
- Mercyone Des Moines Medical CenterDes Moines, IA
- Unitypoint Health - Des Moines Iowa Methodist MediDes Moines, IA
Industry payments (Open Payments)
- 2025$209.58 · 7 payments from 4 companies
- 2024$166.53 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lumendi LLC | $92.55 | 1 |
| Abbvie Inc. | $83.03 | 4 |
| Pfizer Inc. | $17.31 | 1 |
| Ardelyx, Inc. | $16.69 | 1 |
What the 2025 payments were for
- Food and Beverage$209.58 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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