Christian M. Mendez, MD
NPI 1528051554ActiveIndividual· Internal Medicine, Gastroenterology· Eau Claire, WI
Internal Medicine, Gastroenterology (MD) with Mayo Clinic Health System-Northwest Wisconsin Region Inc and 1 other group, practicing in Eau Claire, Wisconsin. In 2024 Medicare paid $48,862 for 284 patients, and Part D covered 90 of their prescriptions, 80% of them generic. Janssen Biotech, Inc. reported $150.00 in payments in 2025, mostly food and beverage. Lists Mayo Clinic Health System Chippewa Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1528051554 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2005 |
| Last updated in NPPES | Sep 9, 2025 |
| Certified by provider | Sep 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 61111-20 | WI |
| Internal Medicine, Gastroenterology | 207RG0100X | 35838 | KY |
| Internal Medicine, Gastroenterology | 207RG0100X | M8835 | TX |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 495 across 38 procedure codes |
| Paid by Medicare | $48,862 |
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 183 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $11,612 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI · 534 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System-Franciscan Medical Center IncLa Crosse, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2025$150.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $150.00 | 1 |
What the 2025 payments were for
- Food and Beverage$150.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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