Justyna Jolanta Kacarow, MD
NPI 1841923356ActiveIndividual· Internal Medicine, Hematology & Oncology· Newark, DE
Internal Medicine, Hematology & Oncology (MD) in Newark, Delaware, licensed in DE and PA, with an NPI issued in July 2022. Part D covered 429 prescriptions written in 2024, 84% of them generic. Lists Jefferson Einstein Montgomery Hospital as a hospital affiliation.
Overview
| NPI | 1841923356 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 3, 2022 |
| Last updated in NPPES | Jun 23, 2026 |
| Certified by provider | Jun 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | C7-0019436 | DE |
| Internal Medicine | 207R00000X | 19096 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Order and Referring Only - Hematology/Oncology (DE) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 429 · 917 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $68,914 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Jefferson Einstein Montgomery HospitalEast Norriton, PA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Hematology & Oncology providers in Newark
- 1235199316
- 1811947054
- 1437248093
- 1386720340
- 1508354366
- 1134128283
- 1841269966
- 1457301657
- 1427008622
- 1134486046
- 1568726248
- 1427582915
All Internal Medicine, Hematology & Oncology providers in Delaware →