DR. JONATHAN BRETT WALLACH MD
NPI 1851640700
Radiology - Radiation Oncology in New Brunswick, NJ
About Dr. Jonathan Brett Wallach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN BRETT WALLACH MD (NPI 1851640700) is an individual radiation oncology provider in New Brunswick, New Jersey, licensed in New York (273533-1) and active in the NPI registry since September 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Jonathan Brett Wallach Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Jonathan Wallach 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
- Medicare enrollment name: Saint Peters University Hospital
- 325 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.
Physician 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 Jonathan Wallach's NPI number?
The NPI number for Jonathan Wallach is 1851640700. It was assigned to this individual provider in the NPPES registry on September 6, 2012.
Where is Jonathan Wallach located?
Jonathan Wallach practices at 254 Easton Ave, New Brunswick, NJ 08901. The listed phone number is (732) 745-8590.
What is Jonathan Wallach's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Jonathan Wallach enrolled in Medicare?
Yes. Jonathan Wallach is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Jonathan Wallach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Wallach reassigns Medicare benefits to Saint Peter's University Hospital (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 Jonathan Wallach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jonathan Wallach was last updated on January 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Jonathan Brett Wallach, MD · NPI 1851640700
Radiation Oncology physician in New Brunswick, New Jersey. Individual provider, active in the CMS NPPES registry since September 6, 2012.
## Identity
- **NPI:** 1851640700 (Entity type: Individual)
- **Enumerated:** September 6, 2012
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 273533-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 254 EASTON AVE, New Brunswick, NJ 08901-1766
- **Phone:** (732) 745-8590
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saint Peter's University Hospital (NPI 1114924834, New Brunswick, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 15, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1851640700) · Data from the CMS NPPES public registry.