Michael W. Winter, MD
NPI 1003172180ActiveIndividual· Internal Medicine, Gastroenterology· Lebanon, NH
Internal Medicine, Gastroenterology (MD) in Lebanon, New Hampshire, trained at Tufts University School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $716,334 for 232 claims, against $60,456 paid for services in 2024. Celltrion USA Inc. reported $3,679 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1003172180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2012 |
| Last updated in NPPES | Sep 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 19677 | NH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MA); Practitioner - Gastroenterology (NH); Practitioner - Gastroenterology (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 359 |
|---|---|
| Services billed | 666 across 38 procedure codes |
| Paid by Medicare | $60,456 |
Part D prescriptions in 2024
| Prescriptions (claims) | 232 · 411 30-day fills |
|---|---|
| Patients | 57 |
| Total drug cost | $716,334 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
- Southwestern Vermont Medical Center, IncBennington, VT · 176 clinicians
Hospital affiliations
- Alice Peck Day Memorial HospitalLebanon, NH
- Cheshire Medical CenterKeene, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
- New London HospitalNew London, NH
- Rutland Regional Medical CenterRutland, VT
Industry payments (Open Payments)
- 2025$3,679 · 4 payments from 1 company
- 2024$361.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celltrion USA Inc. | $3,679 | 4 |
What the 2025 payments were for
- Consulting Fee$3,256 · 1 payment
- Travel and Lodging$332.30 · 2 payments
- Food and Beverage$91.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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