Nilesh V. Kansagra, MD

Medicare activity in 2024

Official CMS public-use data for Nilesh V. Kansagra, 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.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)211 services
2. Emergency department visit with high level of medical decision making (99285)177 services
3. Hospital discharge day management, more than 30 minutes (99239)69 services
4. Emergency department visit with moderate level of medical decision making (99284)53 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)43 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%
• Arthritis57%
• Ischemic heart disease52%
• Diabetes49%
• Anxiety43%

Hospitals where Nilesh V. Kansagra works

Medicare's Facility Affiliation Data lists Nilesh V. Kansagra 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.

• Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310009
• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015

Practice locations

Addresses where Nilesh V. Kansagra is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Clara Maass DrBelleville, NJ 07109 (973) 450‑2000
• 100 Madison AveMorristown, NJ 07960 (954) 939‑5000
• 110 Rehill AveSomerville, NJ 08876 (908) 685‑2200

Group practices

Medicare enrollment lists Nilesh V. Kansagra as a member of these groups (CMS data updated October 2, 2026).

• RWJBH Observation Associates LLC1,008 clinicians in the group
• Morristown Emergency Medical Associates LLC81 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New Jersey →

Other emergency medicine doctors in Belleville

Clinicians with the same Medicare primary specialty in Belleville, NJ — not a recommendation.

• Neena Gupta, MD
• Deven Unadkat, DO
• Brian F. Lin, MD
• Sarah Bunch, MD
• Ryland W. Pace, MD
• Mitchell J. Heller, MD
• Avril A. Ano, DO
• Joe E. Dib, MD

All emergency medicine doctors in Belleville →

Other clinicians in RWJBH Observation Associates LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Shannon L. Harper, CNA
• Sukhwinder Ghotra, CNA
• Lita Chen, MD
• Andrew Oconnor, MD
• Peter G. Zazzali, MD
• Jing Cui, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians