Michael C. Happes, MD
NPI 1801030762ActiveIndividual· Specialist· Smithtown, NY
Specialist (MD) in Smithtown, New York, trained at State University of New York Downstate Medical Center (class of 2009). 2,002 Medicare patients in 2024, $514,877 paid; nearly all of their 1,348 Part D prescriptions were generic (92%). Abbott Laboratories was the largest of 11 companies reporting payments in 2025, $4,888 in all, mostly food and beverage.
Overview
| NPI | 1801030762 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 22, 2009 |
| Last updated in NPPES | Mar 16, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | — | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,002 |
|---|---|
| Services billed | 4,344 across 92 procedure codes |
| Paid by Medicare | $514,877 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,348 · 3,755 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $150,181 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
- Cardiac Ekg Interpretation, P. C.West Islip, NY · 57 clinicians
Hospital affiliations
- Good Samaritan Hospital Medical CenterWest Islip, NY
- St Catherine of Siena HospitalSmithtown, NY
- St Francis Hospital - the Heart CenterRoslyn, NY
Industry payments (Open Payments)
- 2025$4,888 · 70 payments from 11 companies
- 2024$12,079 · 84 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $2,641 | 21 |
| Stryker Corporation | $674.72 | 9 |
| Medtronic, Inc. | $559.40 | 5 |
| Penumbra, Inc. | $343.93 | 5 |
| Novartis Pharmaceuticals Corporation | $328.12 | 20 |
What the 2025 payments were for
- Food and Beverage$2,888 · 68 payments
- Compensation for serving as faculty or as a speaker for a medical education program$1,500 · 1 payment
- Consulting Fee$500.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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