Mariya Rozenblit
NPI 1215315015ActiveIndividual· Internal Medicine, Medical Oncology· New Haven, CT
Internal Medicine, Medical Oncology in New Haven, Connecticut, trained at Icahn School of Medicine at Mount Sinai (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $557,881 for 354 claims, against $17,586 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 2 companies reporting payments in 2025, $2,237 in all, mostly consulting fees.
Overview
| NPI | 1215315015 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 12, 2015 |
| Last updated in NPPES | Jun 11, 2021 |
| Certified by provider | Jun 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 68690 | CT |
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 (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 87 |
|---|---|
| Services billed | 186 across 8 procedure codes |
| Paid by Medicare | $17,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 354 · 786 30-day fills |
|---|---|
| Patients | 85 |
| Total drug cost | $557,881 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Yale UniversityNew Haven, CT · 2,645 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$2,237 · 2 payments from 2 companies
- 2024$3,355 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $2,200 | 1 |
| Caris Mpi, Inc. | $37.10 | 1 |
What the 2025 payments were for
- Consulting Fee$2,200 · 1 payment
- Food and Beverage$37.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 medical oncologists in New Haven · All medical oncologists in Connecticut