William M. Ehrhardt, MD
NPI 1376598185ActiveIndividual· Internal Medicine, Gastroenterology· Coon Rapids, MN
Internal Medicine, Gastroenterology (MD) in Coon Rapids, Minnesota, trained at University of Wisconsin School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $148,585 for 678 claims, against $93,561 paid for services in 2024.
Overview
| NPI | 1376598185 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2006 |
| Last updated in NPPES | Aug 6, 2024 |
| Certified by provider | Aug 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 42881-020 | WI |
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 (MN); Practitioner - Gastroenterology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 375 |
|---|---|
| Services billed | 2,471 across 54 procedure codes |
| Paid by Medicare | $93,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 678 · 1,037 30-day fills |
|---|---|
| Patients | 404 |
| Total drug cost | $148,585 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Mngi Digestive Health PAEagan, MN · 277 clinicians
Hospital affiliations
- Abbott Northwestern HospitalMinneapolis, MN
- M Health Fairview Ridges HospitalBurnsville, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 gastroenterologists in Coon Rapids · All gastroenterologists in Minnesota