Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St. Luke'S Warren Physician Group, PC

Neurology Physician in Phillipsburg, NJ · enumerated 2012 · authorized official Susan Chiavaroli, Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841563574

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Registry record

Entity type Organization (Type 2)

Legal business name St. Luke'S Warren Physician Group, PC

Practice address 755 Memorial Pkwy Ste 114, Phillipsburg, NJ, 08865

Phone (484) 526-5210

Enumeration date Feb 10, 2012

Last updated in NPPES Jun 26, 2026

Taxonomy & classification

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians Primary

2084S0012X Sleep Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Susan Chiavaroli

Title Manager

Phone (484) 526-3569

Other identifiers

Identifier	Type	State	Issuer
7123604	Medicaid	NJ	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is St. Luke'S Warren Physician Group, PC?

St. Luke'S Warren Physician Group, PC is registered in NPPES as a Neurology Physician (its primary provider taxonomy).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-26.