Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Maria Santiago

Specialist in Mount Vernon, NY · enumerated 2024.

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

National Provider Identifier

1609617943

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Registry record

Entity type Individual (Type 1)

Name Maria Santiago

Sex Female

Practice address Mount Vernon, NY, 10553

Phone (917) 215-8261

Enumeration date Jun 3, 2024

Last updated in NPPES Jun 3, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174400000X Specialist 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

Is NPI 1609617943 active?

Yes, as of the latest NPPES snapshot, NPI 1609617943 is active (record last updated 2024-06-03).

How do I verify Maria Santiago's NPI record?

Cross-check NPI 1609617943 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Crystal Vicens Behavior Technician · Mount Vernon, NY NPI 1821914508

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-03.