Erik J. Reiersen, M.D.
NPI 1740348531ActiveIndividual· Anesthesiology· West Islip, NY
Anesthesiology (M.D.) in West Islip, New York, licensed in NY, with an NPI issued in December 2006. Medicare paid $32,134 for services to 266 patients in 2024. Ardelyx, Inc. reported $23.20 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740348531 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 5, 2006 |
| Last updated in NPPES | Dec 13, 2023 |
| Certified by provider | Dec 13, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 213746-1 | 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 - Anesthesiology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 266 |
|---|---|
| Services billed | 276 across 4 procedure codes |
| Paid by Medicare | $32,134 |
Industry payments (Open Payments)
- 2025$23.20 · 1 payment from 1 company
- 2024$244.77 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $23.20 | 1 |
What the 2025 payments were for
- Food and Beverage$23.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 40 anesthesiologists in West Islip · All anesthesiologists in New York