Russell Blankenburg, MD
NPI 1104893577ActiveIndividual· Internal Medicine· Brookfield, WI
Internal Medicine (MD) in Brookfield, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $564,450 for 9,994 claims, against $48,019 paid for services in 2024. Amgen Inc. was the largest of 10 companies reporting payments in 2025, $597.48 in all, mostly food and beverage.
Overview
| NPI | 1104893577 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 3, 2006 |
| Last updated in NPPES | Dec 7, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35536 | 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 | 296 |
|---|---|
| Services billed | 569 across 34 procedure codes |
| Paid by Medicare | $48,019 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,994 · 22,213 30-day fills |
|---|---|
| Patients | 967 |
| Total drug cost | $564,450 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
Hospital affiliations
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
- Waukesha Memorial HospitalWaukesha, WI
Other facilities
- Ascension at HomeHome health agency · Milwaukee, WI
Industry payments (Open Payments)
- 2025$597.48 · 29 payments from 10 companies
- 2024$25.44 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $171.20 | 8 |
| E.R. Squibb & Sons, L.L.C. | $82.29 | 4 |
| Astrazeneca Pharmaceuticals LP | $81.11 | 3 |
| Novo Nordisk Inc | $67.13 | 4 |
| Pfizer Inc. | $65.61 | 3 |
What the 2025 payments were for
- Food and Beverage$597.48 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Brookfield
- 1245612233
- 1588503726
- 1003963414
- 1619586252
- 1689863755
- 1124099445
- 1629914155
- 1720051550
- 1649280827
- 1730239393
- 1528035516
- 1386657450