John-Jeremiah Kretchy, MD
NPI 1487902805ActiveIndividual· Hospitalist· Appleton, WI
Hospitalist (MD) with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc. and 6 other groups, practicing in Appleton, Wisconsin. In 2024 Medicare paid $37,110 for 224 patients, and Part D covered 453 of their prescriptions, 84% of them generic. Lists Ascension Columbia St Marys Hospital Milwaukee and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1487902805 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2012 |
| Last updated in NPPES | Dec 1, 2021 |
| Certified by provider | Dec 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 64203 | WI |
| Internal Medicine | 207R00000X | 64203 | 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 - Hospitalist (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 224 |
|---|---|
| Services billed | 530 across 9 procedure codes |
| Paid by Medicare | $37,110 |
Part D prescriptions in 2024
| Prescriptions (claims) | 453 · 583 30-day fills |
|---|---|
| Patients | 124 |
| Total drug cost | $36,868 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.Rhinelander, WI · 574 clinicians
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI · 306 clinicians
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
- Aspirus Wausau Hospital IncWausau, WI · 237 clinicians
- Aspirus Stevens Point Hospital and Clinics, Inc.Stevens Point, WI · 134 clinicians
- Howard Young Medical Center Inc of Woodruff WisconsinWoodruff, WI · 56 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Aspirus Rhinelander HospitalRhinelander, WI
- Aspirus Riverview Hospital & Clinics IncWisconsin Rapids, WI
- Aspirus Stevens Point Hospital & Clinics, Inc.Stevens Point, WI
- Aspirus Wausau HospitalWausau, WI
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 47 hospitalists in Appleton · All hospitalists in Wisconsin