Catherine V. Aleman, MD
NPI 1528147428ActiveIndividual· Internal Medicine· Milwaukee, WI
Internal Medicine (MD) in Milwaukee, Wisconsin, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $344,292 for 4,185 claims, against $11,904 paid for services in 2024. Glaxosmithkline, LLC. reported $24.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1528147428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 3, 2006 |
| Last updated in NPPES | Jun 4, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 42176 | 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 | 63 |
|---|---|
| Services billed | 166 across 11 procedure codes |
| Paid by Medicare | $11,904 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,185 · 8,930 30-day fills |
|---|---|
| Patients | 266 |
| Total drug cost | $344,292 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
Medical group
- Columbia St Marys Hospital Milwaukee IncMilwaukee, WI · 306 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
Industry payments (Open Payments)
- 2025$24.15 · 1 payment from 1 company
- 2024$124.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $24.15 | 1 |
What the 2025 payments were for
- Food and Beverage$24.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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