Quick answers
- Does Nilarun Chowdhuri accept Medicare assignment?
- Yes. Medicare's clinician data says Nilarun Chowdhuri accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nilarun Chowdhuri see?
- In 2024, CMS data shows 611 Original Medicare patients and 1,512 services for Nilarun Chowdhuri. This counts Original Medicare only and measures volume, not quality.
- What is Nilarun Chowdhuri's NPI number?
- 1104278878. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nilarun Chowdhuri, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 611 |
|---|---|
| Services billed to Medicare | 1,512 |
| Different services or procedures | 66 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)296 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)227 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)185 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)179 services
- Programming of dual lead pacemaker system (93280)126 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation66%
- Ischemic heart disease60%
- Heart failure53%
- Arthritis47%
Hospitals where Nilarun Chowdhuri works
Medicare's Facility Affiliation Data lists Nilarun Chowdhuri at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Genesis Health System dba Genesis MDL Center-IlliniSilvis, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140275
- Genesis Medical Center-DavenportDavenport, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160033
- MercyOne Clinton Medical CenterClinton, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160080
- MercyOne Genesis Dewitt Medical CenterDewitt, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161313
- Southeast Iowa Regional Medical CenterWest Burlington, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160057
Practice locations
Addresses where Nilarun Chowdhuri is enrolled with Medicare (CMS data updated October 2, 2026).
- 1227 E Rusholme St, Mercyone Genesis Davenport PathologDavenport, IA 52803 (563) 421‑6610
- 1236 E Rusholme St, Suite 300Davenport, IA 52803 (563) 324‑2992
Group practices
Medicare enrollment lists Nilarun Chowdhuri as a member of these groups (CMS data updated October 2, 2026).
- Genesis Health System224 clinicians in the group
- Cardiovascular Medicine PLLC50 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Davenport
Clinicians with the same Medicare primary specialty in Davenport, IA — not a recommendation.
Other clinicians in Genesis Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104278878 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians