Charna Klein, MD
NPI 1447331608 · Hematology & Oncology Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charna Klein, MD is a Hematology & Oncology Physician provider in Bronx, NY (NPI 1447331608).
Provider details
- NPI number
- 1447331608
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2062681 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,096 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 340 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 337 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 178 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $155 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 66 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 35 | 13 |
| Hydroxyurea | 30 | — |
| Pomalidomidebrand: Pomalyst | 26 | — |
| Exemestane | 15 | — |
| Anastrozole | 14 | — |
| Osimertinib Mesylatebrand: Tagrisso | 12 | — |
| Dexamethasone | 12 | — |
| Lenalidomide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2018-03-29
Frequently asked questions
- What is Charna Klein's NPI number?
- Charna Klein's National Provider Identifier (NPI) is 1447331608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charna Klein's specialty?
- Charna Klein is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Charna Klein located?
- Charna Klein's practice location on file with NPPES is 75 Gunhill Road, Bronx, NY 10467.
- What is Charna Klein's phone number?
- The practice phone number listed in the NPPES registry for Charna Klein is (718) 655-3932.
- Does Charna Klein accept Medicare?
- Charna Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charna Klein's NPI active?
- Yes — Charna Klein's NPI (1447331608) is active in the NPPES registry as of the last update on 2018-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.