Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Digestive Disease Associates, Ltd.

Q: What is the NPI number for Digestive Disease Associates, Ltd.?

The NPI for Digestive Disease Associates, Ltd. is 1578659108, a Type 2 (organization) record in the CMS NPPES registry.

Specialist in Hinsdale, IL · enumerated 2006 · authorized official Philip Sweeney, President/Doctor.

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

National Provider Identifier

1578659108

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Registry record

Entity type Organization (Type 2)

Legal business name Digestive Disease Associates, Ltd.

Practice address 950 N York Road, Ste 101, Hinsdale, IL, 60521

Phone (630) 325-4255

Fax (630) 325-2147

Enumeration date Oct 4, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name Philip Sweeney

Title President/Doctor

Phone (630) 325-4255

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 the NPI number for Digestive Disease Associates, Ltd.?

The NPI for Digestive Disease Associates, Ltd. is 1578659108, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Digestive Disease Associates, Ltd.?

NPPES lists Philip Sweeney (President/Doctor) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.