Anna Ck Silenzi, DO
NPI 1639365661ActiveIndividual· Internal Medicine, Cardiovascular Disease· Kenosha, WI
Internal Medicine, Cardiovascular Disease (DO) with Froedtert South Inc, practicing in Kenosha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,253,635 for 5,835 claims, against $127,373 paid for services in 2024. Ge Healthcare was the largest of 11 companies reporting payments in 2025, $1,249 in all, mostly food and beverage. Lists Froedtert Memorial Lutheran Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1639365661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Sep 24, 2007 |
| Last updated in NPPES | Mar 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 44086-021 | WI |
| Internal Medicine | 207R00000X | 44086-021 | WI |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 44086-021 | 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 - Cardiovascular Disease (Cardiology) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,394 |
|---|---|
| Services billed | 3,861 across 59 procedure codes |
| Paid by Medicare | $127,373 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,835 · 15,474 30-day fills |
|---|---|
| Patients | 696 |
| Total drug cost | $1,253,635 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Cardiac Surgery |
Medical group
- Froedtert South IncKenosha, WI · 161 clinicians
Hospital affiliations
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
- Froedtert South Inc.Kenosha, WI
Industry payments (Open Payments)
- 2025$1,249 · 43 payments from 11 companies
- 2024$1,196 · 61 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $398.00 | 1 |
| E.R. Squibb & Sons, L.L.C. | $311.75 | 16 |
| Amgen Inc. | $128.14 | 7 |
| Heartflow, Inc. | $110.29 | 5 |
| Novo Nordisk Inc | $92.16 | 4 |
What the 2025 payments were for
- Food and Beverage$851.26 · 42 payments
- Consulting Fee$398.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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