Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephanie Olafson

Clinical Social Worker in Downers Grove, IL · enumerated 2019.

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

National Provider Identifier

1356808802

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Registry record

Entity type Individual (Type 1)

Name Stephanie Olafson

Sex Female

Practice address 5151 Mochel Dr Ste 307, Downers Grove, IL, 60515

Phone (630) 963-5390

Enumeration date Feb 20, 2019

Last updated in NPPES Feb 20, 2019

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 149.018861 (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

How do I verify Stephanie Olafson's NPI record?

Cross-check NPI 1356808802 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1356808802 active?

Yes, as of the latest NPPES snapshot, NPI 1356808802 is active (record last updated 2019-02-20).

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Olivia O'Hare Mental Health Counselor · Downers Grove, IL NPI 1710211172 Carolyn Boyer Professional Counselor · Downers Grove, IL NPI 1699288654 Samantha Proctor Mental Health Counselor · Downers Grove, IL NPI 1417645987 Brenna Leadingham Social Worker · Downers Grove, IL NPI 1205789534

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-20.