Alan H. Singer, MD
NPI 1881744944ActiveIndividual· Internal Medicine, Interventional Cardiology· Madison, WI
Internal Medicine, Interventional Cardiology (MD) in Madison, Wisconsin, trained at University of Chicago, Pritzker School of Medicine (class of 1985). 1,491 Medicare patients in 2024, $274,302 paid; nearly all of their 4,030 Part D prescriptions were generic (93%). Medtronic, Inc. reported $57.42 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881744944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 11, 2007 |
| Last updated in NPPES | Dec 12, 2020 |
| Certified by provider | Dec 12, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 46588-20 | 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 - Interventional Cardiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,491 |
|---|---|
| Services billed | 7,951 across 76 procedure codes |
| Paid by Medicare | $274,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,030 · 10,710 30-day fills |
|---|---|
| Patients | 735 |
| Total drug cost | $348,876 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Dean Health Systems IncSun Prairie, WI · 1,159 clinicians
- The Monroe Clinic, Inc.Monroe, WI · 199 clinicians
Hospital affiliations
- Columbus Community HospitalColumbus, WI
- Sauk Prairie HospitalPrairie Du Sac, WI
- Ssm Health St Clare Hospital - BarabooBaraboo, WI
- Ssm Health St Mary's Hospital - JanesvilleJanesville, WI
- Ssm Health St Mary's Hospital - MadisonMadison, WI
Industry payments (Open Payments)
- 2025$57.42 · 1 payment from 1 company
- 2024$18.85 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $57.42 | 1 |
What the 2025 payments were for
- Food and Beverage$57.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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