DR. STEVEN MANKOWITZ HORWITZ M.D.
NPI 1972899425
Pediatrics - Pediatric Critical Care Medicine in New Brunswick, NJ
About Dr. Steven Mankowitz Horwitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN MANKOWITZ HORWITZ M.D. (NPI 1972899425) is an individual pediatric critical care medicine provider in New Brunswick, New Jersey, licensed in New Jersey (25MA09541800) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Steven Mankowitz Horwitz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Horwitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- 492 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.
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 Steven Horwitz's NPI number?
The NPI number for Steven Horwitz is 1972899425. It was assigned to this individual provider in the NPPES registry on June 23, 2011.
Where is Steven Horwitz located?
Steven Horwitz practices at 1 Robert Wood Johnson Pl, New Brunswick, NJ 08901. The listed phone number is (732) 235-7887.
What is Steven Horwitz's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Steven Horwitz enrolled in Medicare?
Yes. Steven Horwitz is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Horwitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Horwitz reassigns Medicare benefits to Rutgers Health-Rwj Pediatric Critical Care (New Brunswick, NJ). The 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 Steven Horwitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Horwitz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Steven Horwitz 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.
When was this NPI record last updated?
The NPPES record for Steven Horwitz was last updated on March 20, 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.