NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alessandro Marco Antonini, PT

Physical Therapist in Darien, IL · enumerated 2006 · practices at Center for Natural Therapies, Ltd..

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

National Provider Identifier

1154342798

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alessandro Marco Antonini
Credential PT
Sex Male
Practice address 337 75th St, Darien, IL, 60527
Fax (630) 789-0095
Enumeration date Jul 21, 2006
Last updated in NPPES Sep 2, 2008

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070016012 (IL) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

Other identifiers

Identifier Type State Issuer
1619908 Other IL BCBS IL GROUP NUMBER
1623066 Other IL BCBS GROUP #
367885100 Other IL U.S. DEPT OF LABOR
567770 Other IL MEDICARE GROUP #
568080 Other IL MEDICARE GROUP NUMBER
200852 Other IL MEDICARE GROUP #
202542 Other IL MEDICARE GROUP #

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 Alessandro Antonini?
The National Provider Identifier (NPI) for Alessandro Antonini is 1154342798, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alessandro Antonini practice?
The practice location on file with NPPES is in Darien, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-02.