Isabelle Le, M.D
NPI 1588807721 · Hematology & Oncology Physician · Arlington, VA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isabelle Le, M.D is a Hematology & Oncology Physician provider in Arlington, VA (NPI 1588807721).
Provider details
- NPI number
- 1588807721
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 0101275894 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
3,600 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 383 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 379 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 311 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $141 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 198 | $150 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 172 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 152 | 67 |
| Letrozole | 68 | 26 |
| Palbociclibbrand: Ibrance | 61 | — |
| Dexamethasone | 25 | 16 |
| Abiraterone Acetate | 24 | — |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 21 | — |
| Prednisone | 20 | — |
| Prochlorperazine Maleate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,501 across 17 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
- 2009-04-17
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Isabelle Le's NPI number?
- Isabelle Le's National Provider Identifier (NPI) is 1588807721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabelle Le's specialty?
- Isabelle Le is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Isabelle Le located?
- Isabelle Le's practice location on file with NPPES is 1100 N Glebe Rd Ste 1600, Arlington, VA 22201-5798.
- What is Isabelle Le's phone number?
- The practice phone number listed in the NPPES registry for Isabelle Le is (571) 350-8400.
- Does Isabelle Le accept Medicare?
- Isabelle Le is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isabelle Le's NPI active?
- Yes — Isabelle Le's NPI (1588807721) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.