Harinder Singh Gill, M.D.
NPI 1437123049ActiveIndividual· Internal Medicine, Cardiovascular Disease· Beaver Dam, WI
Internal Medicine, Cardiovascular Disease (M.D.) with Ascension Medical Group-Southeast Wisconsin Inc and 2 other groups, practicing in Beaver Dam, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $245,367 for 1,187 claims, against $75,545 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 4 companies reporting payments in 2025, $378.04 in all, mostly food and beverage. Lists Carthage Area Hospital, Inc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1437123049 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Aug 17, 2026 |
| Certified by provider | Aug 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 31051 | WI |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 31051 | 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 - Cardiovascular Disease (Cardiology) (NY); Practitioner - Cardiovascular Disease (Cardiology) (TX); Practitioner - Interventional Cardiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 506 |
|---|---|
| Services billed | 959 across 54 procedure codes |
| Paid by Medicare | $75,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,187 · 2,601 30-day fills |
|---|---|
| Patients | 232 |
| Total drug cost | $245,367 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Ascension Medical Group-Southeast Wisconsin IncBrookfield, WI · 545 clinicians
- Samaritan Medical CenterWatertown, NY · 153 clinicians
- Samaritan Medical Practice PCWatertown, NY · 29 clinicians
Hospital affiliations
- Carthage Area Hospital, IncCarthage, NY
- Lewis County General HospitalLowville, NY
- River Hospital ClinicsAlexandria Bay, NY
- Samaritan Medical CenterWatertown, NY
Industry payments (Open Payments)
- 2025$378.04 · 8 payments from 4 companies
- 2024$260.39 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $122.88 | 5 |
| Novartis Pharmaceuticals Corporation | $94.25 | 1 |
| Abbott Laboratories | $81.47 | 1 |
| Novo Nordisk Inc | $79.44 | 1 |
What the 2025 payments were for
- Food and Beverage$378.04 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records