Nelson Kalil, M.D.
NPI 1427074707 · Hematology & Oncology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelson Kalil, M.D. is a Hematology & Oncology Physician provider in Rockville, MD (NPI 1427074707).
Provider details
- NPI number
- 1427074707
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0051616 (MD)
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
3,385 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 | 948 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 626 | $141 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 451 | $32 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 330 | $150 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 296 | $16 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 173 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 106 | 34 |
| Warfarin Sodium | 54 | 17 |
| Rivaroxabanbrand: Xarelto | 21 | — |
| Amlodipine Besylate | 14 | — |
| Atorvastatin Calcium | 14 | — |
| Pantoprazole Sodium | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,964 across 230 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
- 2006-07-13
- Last updated
- 2024-04-23
- Certified
- 2024-04-23
Frequently asked questions
- What is Nelson Kalil's NPI number?
- Nelson Kalil's National Provider Identifier (NPI) is 1427074707, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelson Kalil's specialty?
- Nelson Kalil is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelson Kalil located?
- Nelson Kalil's practice location on file with NPPES is 6000 Executive Blvd Ste 620, Rockville, MD 20852-3876.
- What is Nelson Kalil's phone number?
- The practice phone number listed in the NPPES registry for Nelson Kalil is (240) 467-5888.
- Does Nelson Kalil accept Medicare?
- Nelson Kalil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelson Kalil's NPI active?
- Yes — Nelson Kalil's NPI (1427074707) is active in the NPPES registry as of the last update on 2024-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.