ZACHARY APPELBAUM MD
NPI 1376006064
Internal Medicine - Nephrology in New Brunswick, NJ
About Zachary Appelbaum Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY APPELBAUM MD (NPI 1376006064) is an individual nephrology provider in New Brunswick, New Jersey, licensed in New Jersey (25MA12094900) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and maintains a secondary practice location in Washington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Zachary Appelbaum 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 Zachary Appelbaum 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
- 641 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.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJCommunity Medical Center
Acute Care Hospitals · Toms River, 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 14
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 Zachary Appelbaum's NPI number?
The NPI number for Zachary Appelbaum is 1376006064. It was assigned to this individual provider in the NPPES registry on April 9, 2019.
Where is Zachary Appelbaum located?
Zachary Appelbaum practices at 125 Paterson St Ste 5100, New Brunswick, NJ 08901. The listed phone number is (732) 235-6512.
What is Zachary Appelbaum's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Zachary Appelbaum enrolled in Medicare?
Yes. Zachary Appelbaum 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 Zachary Appelbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Appelbaum reassigns Medicare benefits to Rutgers Health-Rwj Scleroderma Program (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 Zachary Appelbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zachary Appelbaum accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Zachary Appelbaum 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 Zachary Appelbaum affiliated with any hospitals?
According to CMS data, Zachary Appelbaum is affiliated with Robert Wood Johnson University Hospital and Community Medical Center.
When was this NPI record last updated?
The NPPES record for Zachary Appelbaum was last updated on July 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Zachary Appelbaum, MD · NPI 1376006064
Nephrology physician in New Brunswick, New Jersey. Individual provider, active in the CMS NPPES registry since April 9, 2019.
## Identity
- **NPI:** 1376006064 (Entity type: Individual)
- **Enumerated:** April 9, 2019
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** 25MA12094900 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 125 PATERSON ST STE 5100, New Brunswick, NJ 08901-1962
- **Phone:** (732) 235-6512
## 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:** Rutgers Health-Rwj Scleroderma Program (NPI 1003988635, New Brunswick, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 2, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1376006064) · Data from the CMS NPPES public registry.