Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sierra Nathanson

Clinical Psychologist in Schaumburg, IL · enumerated 2025.

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

National Provider Identifier

1578437786

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Registry record

Entity type Individual (Type 1)

Name Sierra Nathanson

Sex Female

Practice address 919 N Plum Grove Rd Ste C, Schaumburg, IL, 60173

Phone (847) 413-9700

Fax (847) 413-1701

Enumeration date Oct 1, 2025

Last updated in NPPES Oct 1, 2025

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071011362 (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 Sierra Nathanson?

The National Provider Identifier (NPI) for Sierra Nathanson is 1578437786, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sierra Nathanson practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-01.