Quick answers
- Does Shreni N. Zinzuwadia accept Medicare assignment?
- Yes. Medicare's clinician data says Shreni N. Zinzuwadia 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 Shreni N. Zinzuwadia see?
- In 2024, CMS data shows 427 Original Medicare patients and 576 services for Shreni N. Zinzuwadia. This counts Original Medicare only and measures volume, not quality.
- What is Shreni N. Zinzuwadia's NPI number?
- 1629233275. 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 Shreni N. Zinzuwadia, 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 | 427 |
|---|---|
| Services billed to Medicare | 576 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Emergency department visit with high level of medical decision making (99285)214 services
- Critical care, first 30-74 minutes (99291)71 services
- Emergency department visit with moderate level of medical decision making (99284)69 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)42 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 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 disease49%
- Diabetes48%
- Anxiety44%
Hospitals where Shreni N. Zinzuwadia works
Medicare's Facility Affiliation Data lists Shreni N. Zinzuwadia 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.
- Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051
- Raritan Bay Medical CenterPerth Amboy, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310039
- Riverview Medical CenterRed Bank, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310034
Practice locations
Addresses where Shreni N. Zinzuwadia is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Bay AveMontclair, NJ 07042 (973) 429‑6000
- 1 Riverview PlzRed Bank, NJ 07701 (908) 522‑2232
- 1000 Galloping Hill RdUnion, NJ 07083 (954) 939‑5000
- 99 Beauvoir AveSummit, NJ 07901 (908) 522‑2232
Group practices
Medicare enrollment lists Shreni N. Zinzuwadia as a member of these groups (CMS data updated October 2, 2026).
- Emergency Physician Associates of North Jersey P C126 clinicians in the group
- Emergency Associates of Montclair LLC26 clinicians in the group
- Union Emergency Medical Associates LLC19 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Montclair
Clinicians with the same Medicare primary specialty in Montclair, NJ — not a recommendation.
Other clinicians in Emergency Physician Associates of North Jersey P C
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629233275 |
| 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