ALYSSA HOROWITZ MD
NPI 1013943901
Specialist in Branchburg, NJ
About Alyssa Horowitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSSA HOROWITZ MD (NPI 1013943901) is an individual specialist in Branchburg, New Jersey, licensed in New Jersey (MA062376) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital - Somerset, and is a graduate of New York University School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Alyssa Horowitz 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 Reassignment
Medicare enrollment records show Alyssa Horowitz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Florham Park, NJ 07932
- Reassigned Medicare billing, New Jersey enrollment
- 230 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Robert Wood Johnson University Hospital - Somerset
Acute Care Hospitals · Somerville, NJOther Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alyssa Horowitz's NPI number?
The NPI number for Alyssa Horowitz is 1013943901. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Alyssa Horowitz located?
Alyssa Horowitz practices at 971 Route 202 N, Branchburg, NJ 08876. The listed phone number is (908) 429-0044.
What is Alyssa Horowitz's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Alyssa Horowitz enrolled in Medicare?
Yes. Alyssa Horowitz 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 organization bills Medicare for Alyssa Horowitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Horowitz reassigns Medicare benefits to Lifeline Medical Associates, LLC (Florham Park, 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 Alyssa Horowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Horowitz accept?
Health plans from Oscar Health list Alyssa Horowitz 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 Alyssa Horowitz affiliated with any hospitals?
According to CMS data, Alyssa Horowitz is affiliated with Robert Wood Johnson University Hospital - Somerset.
When was this NPI record last updated?
The NPPES record for Alyssa Horowitz was last updated on December 22, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.