Quick answers
- Does Eliezer Portnoy accept Medicare assignment?
- Yes. Medicare's clinician data says Eliezer Portnoy 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 Eliezer Portnoy see?
- In 2024, CMS data shows 58 Original Medicare patients and 98 services for Eliezer Portnoy. This counts Original Medicare only and measures volume, not quality.
- What is Eliezer Portnoy's NPI number?
- 1891140083. 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 Eliezer Portnoy, 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 | 58 |
|---|---|
| Services billed to Medicare | 98 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)54 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)16 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%
- Diabetes57%
- Arthritis53%
- Ischemic heart disease52%
- Chronic kidney disease52%
Hospitals where Eliezer Portnoy works
Medicare's Facility Affiliation Data lists Eliezer Portnoy 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.
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 310019
Practice locations
Addresses where Eliezer Portnoy is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 -02 Broadway, Suite 301Fair Lawn, NJ 07410 (201) 414‑5732
- 350 Engle StEnglewood, NJ 07631 (201) 894‑3158
Group practices
Medicare enrollment lists Eliezer Portnoy as a member of this group (CMS data updated October 2, 2026).
- Medical Associates of Englewood PC540 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fair Lawn
Clinicians with the same Medicare primary specialty in Fair Lawn, NJ — not a recommendation.
Other clinicians in Medical Associates of Englewood PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891140083 |
| 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