Erik Kockenmeister
NPI 1558660456ActiveIndividual· Internal Medicine, Hematology & Oncology· West Islip, NY
Internal Medicine, Hematology & Oncology with North Shore Health System Medical Faculty Group Practice Inc, practicing in West Islip, New York. Their prescriptions cost Medicare Part D more than their services did: $1,042,952 for 577 claims, against $130,807 paid for services in 2024. Lists Ns/Lij Hs Southside Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1558660456 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 18, 2011 |
| Last updated in NPPES | Aug 7, 2020 |
| Certified by provider | Aug 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 268005 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 479 |
|---|---|
| Services billed | 1,695 across 14 procedure codes |
| Paid by Medicare | $130,807 |
Part D prescriptions in 2024
| Prescriptions (claims) | 577 · 740 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $1,042,952 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- North Shore Health System Medical Faculty Group Practice IncNew Hyde Park, NY · 164 clinicians
Hospital affiliations
- Ns/Lij Hs Southside HospitalBay Shore, NY
- Peconic Bay Medical CenterRiverhead, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Other facilities
- Peconic Bay Homehealth ServicesHome health agency · Riverhead, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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