Edward Lake, MD
NPI 1336131101ActiveIndividual· Internal Medicine, Nephrology· Oshkosh, WI
Internal Medicine, Nephrology (MD) in Oshkosh, Wisconsin, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $254,021 for 2,195 claims, against $86,770 paid for services in 2024. Ardelyx, Inc. reported $34.67 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1336131101 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2005 |
| Last updated in NPPES | Oct 31, 2023 |
| Certified by provider | Oct 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 29465 | 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 - Nephrology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 4,424 across 29 procedure codes |
| Paid by Medicare | $86,770 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,195 · 4,986 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $254,021 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical Ctr OshkoshOshkosh, WI
- Thedacare Medical Center - Berlin IncBerlin, WI
Other facilities
- Davita Green Lake County DialysisDialysis facility · Berlin, WI
- Davita Oshkosh West DialysisDialysis facility · Oshkosh, WI
- Fmc - NeenahDialysis facility · Neenah, WI
- Fmc - Ripon SouthDialysis facility · Ripon, WI
- Fresenius Medical Care OshkoshDialysis facility · Oshkosh, WI
Industry payments (Open Payments)
- 2024$34.67 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $34.67 | 1 |
What the 2024 payments were for
- Food and Beverage$34.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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