Christopher J. Adler, MD
NPI 1891217741ActiveIndividual· Internal Medicine· Marshfield, WI
Internal Medicine (MD) in Marshfield, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $618,805 for 9,017 claims, against $37,639 paid for services in 2024.
Overview
| NPI | 1891217741 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 12, 2017 |
| Last updated in NPPES | Sep 23, 2021 |
| Certified by provider | Sep 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 70061 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 542 across 21 procedure codes |
| Paid by Medicare | $37,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,017 · 22,756 30-day fills |
|---|---|
| Patients | 829 |
| Total drug cost | $618,805 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Internal Medicine |
Medical group
- McHs Hospitals IncMarshfield, WI · 1,197 clinicians
Hospital affiliations
- Flambeau HospitalPark Falls, WI
- Marshfield Medical CenterMarshfield, WI
- Marshfield Medical Center - NeillsvilleNeillsville, WI
Other facilities
- Compassus Home HealthHome health agency · Marshfield, WI
- Compassus Central WisconsinHospice · Marshfield, 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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