Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Daniel J Silvio, PA-C

Physician Assistant in Chicago, IL · enumerated 2010.

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

National Provider Identifier

1457652620

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Registry record

Entity type Individual (Type 1)

Name Mr. Daniel J Silvio

Credential PA-C

Sex Male

Practice address 211 E Ontario St Ste 200, Chicago, IL, 60611

Phone (312) 694-7000

Fax (312) 926-6274

Enumeration date Nov 4, 2010

Last updated in NPPES Apr 10, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085010560 (IL) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA00140 (MS) Secondary

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 specialty is Daniel Silvio?

Daniel Silvio is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-10.