Marisa Siebel, M.D.
NPI 1942303094ActiveIndividual· Internal Medicine, Medical Oncology· New Hyde Park, NY
Internal Medicine, Medical Oncology (M.D.) with North Shore Health System Medical Faculty Group Practice Inc, practicing in New Hyde Park, New York. Their prescriptions cost Medicare Part D more than their services did: $201,228 for 30 claims, against $108,353 paid for services in 2024. Lists Long Island Jewish Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1942303094 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 6, 2006 |
| Last updated in NPPES | Sep 14, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 240929 | 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 - Medical Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 353 |
|---|---|
| Services billed | 1,442 across 19 procedure codes |
| Paid by Medicare | $108,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30 · 36 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $201,228 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- North Shore Health System Medical Faculty Group Practice IncNew Hyde Park, NY · 164 clinicians
Hospital affiliations
- Long Island Jewish Medical CenterNew Hyde Park, NY
- North Shore University HospitalManhasset, NY
- Ns/Lij Hs Huntington HospitalHuntington, NY
- Ns/Lij Hs Southside HospitalBay Shore, NY
Other facilities
- Hospice Care of Long Island, Queens, South ShoreHospice · Woodbury, 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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