JOSEPH ONISHCHUK DO
NPI 1861475758
Family Medicine - Addiction Medicine in Barrington, NJ

Active since November 23, 2005PECOS Enrolled
208 WHITE HORSE PIKE STE 3, BARRINGTON, NJ 08007(856) 617-6519(856) 617-0179 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

NPI1861475758
Entity TypeIndividualMale
Primary Taxonomy207QA0401X
Provider Legal NameJOSEPH ONISHCHUKCredential: DO
Location Address208 WHITE HORSE PIKE STE 3Barrington, NJ 08007-1322
Mailing Address208 White Horse Pike Ste 3Barrington, NJ 08007-1322 · (856) 617-6519 · Fax (856) 617-0179
Fax(856) 617-0179
Sole ProprietorNo
Enumeration DateNovember 23, 2005
Last NPPES UpdateApril 30, 2026
NPPES CertifiedApril 30, 2026
NPI 1861475758 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License Licensed in NJ · 25MB05832000
Definition
A family medicine physician who specializes in the diagnosis and treatment of addictions.
208 WHITE HORSE PIKE STE 3, Barrington, NJ 08007

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).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$140.34 typical visit price
range $61.59 – $185.05
Typical copayment $35.08 (range $15.39 – $46.26)
Most-billed visit code 99204
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
208 WHITE HORSE PIKE STE 3
BARRINGTON, NJ 08007

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.