Christopher Lieb, MD
NPI 1427071240ActiveIndividual· Internal Medicine· Brookfield, WI
Internal Medicine (MD) in Brookfield, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2000). 125 Medicare patients in 2024, $23,755 paid; nearly all of their 109 Part D prescriptions were generic (93%).
Overview
| NPI | 1427071240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 25, 2006 |
| Last updated in NPPES | Mar 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 47540 | 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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 331 across 9 procedure codes |
| Paid by Medicare | $23,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 109 · 110 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $4,485 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Internal Medicine |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliation
- Ascension Se Wisconsin HospitalMilwaukee, WI
Other facilities
- St Josephs HospitalInpatient rehabilitation facility · Milwaukee, 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 48 internal medicine physicians in Brookfield · All internal medicine physicians in Wisconsin