Arjun Iyengar, M.D
NPI 1053603340 · Medical Oncology Physician · New York, NY
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arjun Iyengar, M.D is a Medical Oncology Physician provider in New York, NY (NPI 1053603340).
Provider details
- NPI number
- 1053603340
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA09554400 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
402 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 | 122 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 94 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 56 | $148 |
| Principal Illness Navigation Services, Additional 30 Minutes Per Calendar Month (list Separately in Addition to G0023)G0024 | 24 | $58 |
| Principal Illness Navigation Services By Certified Or Trained Auxiliary Personnel Under the Direction of a Physician Or Other Practitioner, Including a Patient Navigator; 60 Minutes Per Calendar Month, in the Following Activities: Person-Centered Assessmen |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Epoetin Alfa-Epbxbrand: Retacrit | 115 | 26 |
| Fosaprepitant Dimeglumine | 80 | 19 |
| Apixabanbrand: Eliquis | 66 | 18 |
| Letrozole | 61 | 18 |
| Pegfilgrastimbrand: Neulasta | 56 | 15 |
| Prednisone | 56 | 13 |
| Anastrozole | 55 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$435 across 26 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
Additional practice locations (1)
- 27 E 29th StBayonne, NJ 07002-4654Phone: (201) 858-1211Fax: (201) 858-4171
Registry dates
- Enumerated
- 2011-05-05
- Last updated
- 2024-09-17
- Certified
- 2024-09-17
Frequently asked questions
- What is Arjun Iyengar's NPI number?
- Arjun Iyengar's National Provider Identifier (NPI) is 1053603340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arjun Iyengar's specialty?
- Arjun Iyengar is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arjun Iyengar located?
- Arjun Iyengar's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Arjun Iyengar's phone number?
- The practice phone number listed in the NPPES registry for Arjun Iyengar is (212) 263-5506.
- Does Arjun Iyengar accept Medicare?
- Arjun Iyengar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arjun Iyengar's NPI active?
- Yes — Arjun Iyengar's NPI (1053603340) is active in the NPPES registry as of the last update on 2024-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.