Samuel S. Blumenthal, MD
NPI 1437100880ActiveIndividual· Internal Medicine, Nephrology· Milwaukee, WI
Internal Medicine, Nephrology (MD) in Milwaukee, Wisconsin, trained at New York University Medical College - Nlg (class of 1977). 74 Medicare patients in 2024, $40,402 paid; nearly all of their 100 Part D prescriptions were generic (98%).
Overview
| NPI | 1437100880 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | Feb 8, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 21615 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 74 |
|---|---|
| Services billed | 292 across 10 procedure codes |
| Paid by Medicare | $40,402 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 142 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $18,732 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | New York University Medical College - Nlg |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
Hospital affiliation
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
Other facilities
- Wrcg MilwaukeeDialysis facility · Milwaukee, WI
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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