JOSEPH ONISHCHUK DO
NPI 1861475758
Family Medicine - Addiction Medicine in Barrington, NJ
About Joseph Onishchuk Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH ONISHCHUK DO (NPI 1861475758) is an individual addiction medicine provider in Barrington, New Jersey, licensed in New Jersey (25MB05832000) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Joseph Onishchuk Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08007 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
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 Joseph Onishchuk's NPI number?
The NPI number for Joseph Onishchuk is 1861475758. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Joseph Onishchuk located?
Joseph Onishchuk practices at 208 White Horse Pike Ste 3, Barrington, NJ 08007. The listed phone number is (856) 617-6519.
What is Joseph Onishchuk's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.
Is Joseph Onishchuk enrolled in Medicare?
Yes. Joseph Onishchuk is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Joseph Onishchuk was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.