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Infectious Disease

Jonathan Mamber Czeresnia, MD

Works at hospitals in Newark, NJ · New Jersey

Summary

Dr. Jonathan Mamber Czeresnia, MD is an infectious disease doctor at 140 Bergen St, Newark, NJ 07103. Phone: (973) 972-9000. Accepts Medicare assignment. In 2024, Jonathan Mamber Czeresnia had 52 Original Medicare patients and 133 services. NPI 1033639984. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 140 Bergen St, Newark, NJ 07103 · Directions
  • Phone: (973) 972‑9000
  • Medicare: Accepts Medicare assignment
  • Hospital: The University Hospital
  • Group practice: University Physician Associates of New Jersey Inc
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jonathan Mamber Czeresnia, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jonathan Mamber Czeresnia accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan Mamber Czeresnia 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 Jonathan Mamber Czeresnia see?
In 2024, CMS data shows 52 Original Medicare patients and 133 services for Jonathan Mamber Czeresnia. This counts Original Medicare only and measures volume, not quality.
What is Jonathan Mamber Czeresnia's NPI number?
1033639984. 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 Jonathan Mamber Czeresnia, 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 patients52
Services billed to Medicare133
Different services or procedures8
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)31 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)12 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%
  • Diabetes62%
  • Depression50%
  • Arthritis44%
  • Ischemic heart disease37%

Hospitals where Jonathan Mamber Czeresnia works

Medicare's Facility Affiliation Data lists Jonathan Mamber Czeresnia 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.

  • The University HospitalNewark, NJ · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 310119

Practice locations

Addresses where Jonathan Mamber Czeresnia is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jonathan Mamber Czeresnia as a member of this group (CMS data updated October 2, 2026).

  • University Physician Associates of New Jersey Inc378 clinicians in the group

Specialties

Find other Infectious Disease doctors in New Jersey →

Other infectious disease doctors in Newark

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

All infectious disease doctors in Newark →

Other clinicians in University Physician Associates of New Jersey Inc

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

Clinician information

CredentialMD
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033639984
CorrectionsReport 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

  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