NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Guzzetta

Anatomic Pathology Physician in Chicago, IL · enumerated 2022.

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

National Provider Identifier

1720727696

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Alexander Guzzetta
Sex Male
Practice address 5841 S Maryland Ave # Mc3083, Chicago, IL, 60637
Phone (773) 834-7708
Fax (773) 834-7708
Enumeration date May 31, 2022
Last updated in NPPES Jun 2, 2022

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License 125.080494 (IL) Primary

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 Alexander Guzzetta?
The National Provider Identifier (NPI) for Alexander Guzzetta is 1720727696, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Guzzetta practice?
The practice location on file with NPPES is in Chicago, 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 2022-06-02.