Charna Klein, MD
NPI 1447331608ActiveIndividual· Internal Medicine, Hematology & Oncology· Bronx, NY
Internal Medicine, Hematology & Oncology (MD) in Bronx, New York, trained at Albany Medical College of Union University (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,619,389 for 283 claims, against $332,980 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $190.13 in all, mostly food and beverage.
Overview
| NPI | 1447331608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Mar 29, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 2062681 | 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 - Hematology/Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 22,051 across 55 procedure codes |
| Paid by Medicare | $332,980 |
Part D prescriptions in 2024
| Prescriptions (claims) | 283 · 495 30-day fills |
|---|---|
| Patients | 54 |
| Total drug cost | $1,619,389 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Montefiore Medical CenterBronx, NY · 2,820 clinicians
Hospital affiliations
- Montefiore Medical CenterBronx, NY
- St John's Riverside HospitalYonkers, NY
Industry payments (Open Payments)
- 2025$190.13 · 8 payments from 6 companies
- 2024$228.84 · 11 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $62.25 | 2 |
| Sobi, Inc | $36.96 | 2 |
| Abbvie Inc. | $26.43 | 1 |
| Janssen Biotech, Inc. | $25.00 | 1 |
| Merck Sharp & Dohme LLC | $21.32 | 1 |
What the 2025 payments were for
- Food and Beverage$146.88 · 7 payments
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 hematologist-oncologists in Bronx · All hematologist-oncologists in New York