Ronald T. Schreiber, MD
NPI 1588658595ActiveIndividual· Internal Medicine, Geriatric Medicine· Appleton, WI
Internal Medicine, Geriatric Medicine (MD) in Appleton, Wisconsin, licensed in WI, with an NPI issued in September 2005. Their prescriptions cost Medicare Part D more than their services did: $721,752 for 12,221 claims, against $28,346 paid for services in 2024.
Overview
| NPI | 1588658595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 6, 2005 |
| Last updated in NPPES | Feb 20, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 30497 | WI |
| Internal Medicine | 207R00000X | 30497 | 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 | 190 |
|---|---|
| Services billed | 375 across 11 procedure codes |
| Paid by Medicare | $28,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,221 · 12,321 30-day fills |
|---|---|
| Patients | 380 |
| Total drug cost | $721,752 |
| Generic share | 77% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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