Michael Bishai, MD
NPI 1942409891ActiveIndividual· Internal Medicine· Smithtown, NY
Internal Medicine (MD) with Southwest Suffolk Medical PC and 1 other group, practicing in Smithtown, New York. Their prescriptions cost Medicare Part D more than their services did: $1,969,229 for 28,532 claims, against $452,894 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $204.99 in all, mostly food and beverage. Lists St Catherine of Siena Hospital as a hospital affiliation.
Overview
| NPI | 1942409891 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 12, 2007 |
| Last updated in NPPES | Nov 16, 2023 |
| Certified by provider | Nov 16, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 244844 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 932 |
|---|---|
| Services billed | 5,059 across 39 procedure codes |
| Paid by Medicare | $452,894 |
Part D prescriptions in 2024
| Prescriptions (claims) | 28,532 · 32,415 30-day fills |
|---|---|
| Patients | 969 |
| Total drug cost | $1,969,229 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospice/Palliative Care, Hospitalist |
Medical groups
- Southwest Suffolk Medical PCSmithtown, NY · 199 clinicians
- Michael Bishai MD, LLCMassapequa, NY · 9 clinicians
Hospital affiliation
- St Catherine of Siena HospitalSmithtown, NY
Other facilities
- Catholic Home CareHome health agency · Farmingdale, NY
- Constellation Home CareHome health agency · Syosset, NY
- Emerest Home Health Care of Long IslandHome health agency · Flushing, NY
- Extended Home CareHome health agency · Brooklyn, NY
- Tender Loving Care, An Amedisys CompanyHome health agency · Medford, NY
- Good Shepherd HospiceHospice · Farmingdale, NY
- Hospice Care of Long Island, Queens, South ShoreHospice · Woodbury, NY
- Allegria Nursing & Rehab Center of Port JeffersonNursing home · Port Jefferson Stati, NY
- St Johnland Nursing CenterNursing home · Kings Park, NY
- White Oaks Rehabilitation and Nursing CenterNursing home · Woodbury, NY
Industry payments (Open Payments)
- 2025$204.99 · 5 payments from 4 companies
- 2024$170.26 · 8 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $145.54 | 2 |
| Otsuka America Pharmaceutical, Inc. | $24.72 | 1 |
| Janssen Biotech, Inc. | $19.43 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $15.30 | 1 |
What the 2025 payments were for
- Food and Beverage$204.99 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 internal medicine physicians in Smithtown · All internal medicine physicians in New York