Charles Jay Waisbren, MD
NPI 1750481206ActiveIndividual· Internal Medicine· Wauwatosa, WI
Internal Medicine (MD) in Wauwatosa, Wisconsin, trained at Js Weill Medical College, Cornell University (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $2,562,223 for 12,314 claims, against $246,373 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 18 companies reporting payments in 2025, $1,875 in all, mostly food and beverage.
Overview
| NPI | 1750481206 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 25, 2006 |
| Last updated in NPPES | May 10, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25111 | 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 | 278 |
|---|---|
| Services billed | 10,982 across 53 procedure codes |
| Paid by Medicare | $246,373 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,314 · 29,646 30-day fills |
|---|---|
| Patients | 741 |
| Total drug cost | $2,562,223 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Ascension Se Wisconsin HospitalMilwaukee, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, WI
Other facilities
- Aurora at HomeHome health agency · Milwaukee, WI
Industry payments (Open Payments)
- 2025$1,875 · 111 payments from 18 companies
- 2024$1,517 · 83 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $423.62 | 37 |
| Novo Nordisk Inc | $350.27 | 17 |
| Astrazeneca Pharmaceuticals LP | $270.90 | 16 |
| Lilly USA, LLC | $262.36 | 15 |
| E.R. Squibb & Sons, L.L.C. | $99.93 | 4 |
What the 2025 payments were for
- Food and Beverage$1,875 · 111 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 internal medicine physicians in Wauwatosa · All internal medicine physicians in Wisconsin