Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dupage Medical Group Ltd

Q: What is the NPI number for Dupage Medical Group Ltd?

The NPI for Dupage Medical Group Ltd is 1851888549, a Type 2 (organization) record in the CMS NPPES registry.

Durable Medical Equipment & Medical Supplies in Naperville, IL · enumerated 2018 · authorized official Paul Merrick, Chairman of the Board.

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

National Provider Identifier

1851888549

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Registry record

Entity type Organization (Type 2)

Legal business name Dupage Medical Group Ltd

Practice address 1259 Rickert Dr Ste 101, Naperville, IL, 60540

Phone (630) 334-5199

Enumeration date Apr 18, 2018

Last updated in NPPES Sep 17, 2025

Taxonomy & classification

332B00000X Durable Medical Equipment & Medical Supplies Suppliers · License 036042072 (IL) Primary

Authorized official

Name Paul Merrick

Title Chairman of the Board

Phone (630) 790-1221

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

Who is the authorized official for Dupage Medical Group Ltd?

NPPES lists Paul Merrick (Chairman of the Board) as the authorized official for this organization.

What is the NPI number for Dupage Medical Group Ltd?

The NPI for Dupage Medical Group Ltd is 1851888549, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-17.