Michael C. Barth, MD
NPI 1104807130ActiveIndividual· Internal Medicine· Wantagh, NY
Internal Medicine (MD) with Gastrointestinal Care of Long Island PLLC, practicing in Wantagh, New York. 347 Medicare patients in 2024, $126,398 paid; nearly all of their 771 Part D prescriptions were generic (91%). Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $222.21 in all, mostly food and beverage.
Overview
| NPI | 1104807130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 8, 2005 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 185910 | NY |
| Internal Medicine, Gastroenterology | 207RG0100X | 185910 | NY |
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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 347 |
|---|---|
| Services billed | 1,008 across 20 procedure codes |
| Paid by Medicare | $126,398 |
Part D prescriptions in 2024
| Prescriptions (claims) | 771 · 2,046 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $165,763 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Gastrointestinal Care of Long Island PLLCAlbany, NY · 183 clinicians
Industry payments (Open Payments)
- 2025$222.21 · 9 payments from 5 companies
- 2024$296.14 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $76.13 | 3 |
| Abbvie Inc. | $50.30 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $45.24 | 2 |
| Novo Nordisk Inc | $26.47 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $24.07 | 1 |
What the 2025 payments were for
- Food and Beverage$202.21 · 8 payments
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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