Arun Nagarajan, MD
NPI 1801850268 · Hematology & Oncology Physician · Weston, FL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arun Nagarajan, MD is a Hematology & Oncology Physician provider in Weston, FL (NPI 1801850268).
Provider details
- NPI number
- 1801850268
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME126527 (FL)
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
20 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
683 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 297 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 101 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 82 | $149 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $68 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diphenoxylate Hcl/Atropinebrand: Diphenoxylate-Atropine | 63 | 36 |
| Loperamide Hclbrand: Loperamide | 60 | 34 |
| Lactulose | 55 | 37 |
| Lorazepam | 42 | 21 |
| Ondansetronbrand: Ondansetron Odt | 41 | 26 |
| Morphine Sulfate | 36 | 23 |
| Prochlorperazine Maleate | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$217 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
- 2006-04-13
- Last updated
- 2016-04-21
Frequently asked questions
- What is Arun Nagarajan's NPI number?
- Arun Nagarajan's National Provider Identifier (NPI) is 1801850268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arun Nagarajan's specialty?
- Arun Nagarajan is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arun Nagarajan located?
- Arun Nagarajan's practice location on file with NPPES is 2950 Cleveland Clinic Blvd, Weston, FL 33331-3609.
- What is Arun Nagarajan's phone number?
- The practice phone number listed in the NPPES registry for Arun Nagarajan is (954) 659-5840.
- Does Arun Nagarajan accept Medicare?
- Arun Nagarajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arun Nagarajan's NPI active?
- Yes — Arun Nagarajan's NPI (1801850268) is active in the NPPES registry as of the last update on 2016-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.