KERELOS MAGDY ISAC MD
NPI 1154991545
Family Medicine in New Brunswick, NJ
About Kerelos Magdy Isac Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KERELOS MAGDY ISAC MD (NPI 1154991545) is an individual family medicine provider in New Brunswick, New Jersey, licensed in New Jersey (25MA12631800) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and is a graduate of Other (2021).
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
Kerelos Magdy Isac Md 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 Kerelos Isac reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 492 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Medical Center Of Princeton At Plainsboro
Acute Care Hospitals · Plainsboro, NJRobert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJCommunity Medical Center
Acute Care Hospitals · Toms River, NJRobert Wood Johnson University Hospital - Somerset
Acute Care Hospitals · Somerville, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08901 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 BRUNSWICK, NJ 08901
NEW BRUNSWICK, NJ 08901
NEW BRUNSWICK, NJ 08901
NEW BRUNSWICK, NJ 08901
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 Kerelos Isac's NPI number?
The NPI number for Kerelos Isac is 1154991545. It was assigned to this individual provider in the NPPES registry on June 28, 2021.
Where is Kerelos Isac located?
Kerelos Isac practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. The listed phone number is (732) 828-3000.
What is Kerelos Isac's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Kerelos Isac enrolled in Medicare?
Yes. Kerelos Isac 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 Kerelos Isac's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kerelos Isac reassigns Medicare benefits to 2 organizations: Rutgers Health-Rwj Pediatric Critical Care (New Brunswick, NJ) and Rwjbh Emergency Medicine Associates, LLC (Somerset, 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 Kerelos Isac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kerelos Isac accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Kerelos Isac 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 Kerelos Isac affiliated with any hospitals?
According to CMS data, Kerelos Isac is affiliated with University Medical Center Of Princeton At Plainsboro, Robert Wood Johnson University Hospital, Community Medical Center and Robert Wood Johnson University Hospital - Somerset.
When was this NPI record last updated?
The NPPES record for Kerelos Isac was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Kerelos Magdy Isac, MD · NPI 1154991545
Family Medicine physician in New Brunswick, New Jersey. Individual provider, active in the CMS NPPES registry since June 28, 2021.
## Identity
- **NPI:** 1154991545 (Entity type: Individual)
- **Enumerated:** June 28, 2021
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 25MA12631800 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 ROBERT WOOD JOHNSON PL, New Brunswick, NJ 08901-1928
- **Phone:** (732) 828-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Rutgers Health-Rwj Pediatric Critical Care (NPI 1164510400, New Brunswick, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** May 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1154991545) · Data from the CMS NPPES public registry.