Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Santos Irizarry Jr.

Case Manager/Care Coordinator in Cambridge, MA · enumerated 2022.

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

National Provider Identifier

1174246573

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Registry record

Entity type Individual (Type 1)

Name Mr. Santos Irizarry Jr.

Sex Male

Practice address 240 Albany St, Cambridge, MA, 02139

Phone (857) 540-1533

Enumeration date Sep 21, 2022

Last updated in NPPES Sep 21, 2022

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers 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

Where does Santos Irizarry practice?

The practice location on file with NPPES is in Cambridge, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Santos Irizarry?

The National Provider Identifier (NPI) for Santos Irizarry is 1174246573, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-21.