Jon Walter Wahrenberger, M.D.
NPI 1356388037ActiveIndividual· Internal Medicine, Cardiovascular Disease· Lebanon, NH
Internal Medicine, Cardiovascular Disease (M.D.) in Lebanon, New Hampshire, trained at Hahnemann University College of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $554,652 for 3,599 claims, against $78,259 paid for services in 2024.
Overview
| NPI | 1356388037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2006 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 8569 | NH |
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) (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,966 |
|---|---|
| Services billed | 5,622 across 16 procedure codes |
| Paid by Medicare | $78,259 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,599 · 9,557 30-day fills |
|---|---|
| Patients | 559 |
| Total drug cost | $554,652 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Alice Peck Day Memorial HospitalLebanon, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
- Mt Ascutney HospitalWindsor, VT
- New London HospitalNew London, NH
- Springfield HospitalSpringfield, VT
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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All 58 cardiologists in Lebanon · All cardiologists in New Hampshire