MR. ELIEZER PORTNOY N.P.
NPI 1891140083
Nurse Practitioner - Adult Health in New York, NY
About Mr. Eliezer Portnoy N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ELIEZER PORTNOY N.P. (NPI 1891140083) is an individual adult health provider in New York, New York, licensed in New York (307819) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with St Joseph's University Medical Center Inc, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Eliezer Portnoy N.p. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Eliezer Portnoy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Englewood, NJ 07631
- Reassigned Medicare billing, New Jersey enrollment
- 849 clinicians in this Medicare group
Mount Holly, NJ 08060
- Reassigned Medicare billing, New Jersey enrollment
- 56 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph's University Medical Center Inc
Acute Care Hospitals · Paterson, NJEnglewood Hospital And Medical Center
Acute Care Hospitals · Englewood, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
NEW YORK, NY 10029
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Eliezer Portnoy's NPI number?
The NPI number for Eliezer Portnoy is 1891140083. It was assigned to this individual provider in the NPPES registry on April 26, 2016.
Where is Eliezer Portnoy located?
Eliezer Portnoy practices at One Gustave L Levy Place, New York, NY 10029. The listed phone number is (347) 931-6560.
What is Eliezer Portnoy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Eliezer Portnoy enrolled in Medicare?
Yes. Eliezer Portnoy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Eliezer Portnoy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eliezer Portnoy reassigns Medicare benefits to 2 organizations: Medical Associates Of Englewood, PC (Englewood, NJ) and Clare Medical Of New Jersey LLC (Mount Holly, NJ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eliezer Portnoy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eliezer Portnoy accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Eliezer Portnoy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Eliezer Portnoy affiliated with any hospitals?
According to CMS data, Eliezer Portnoy is affiliated with St Joseph's University Medical Center Inc and Englewood Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for Eliezer Portnoy was last updated on March 31, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.