Stefanie L Johnson, SLP

Stefanie L Johnson is a Speech-Language Pathologist provider (Speech-Language Pathologist) practicing in Delafield, WI, registered in the NPPES registry with NPI 1730497090 since 2010. The credential SLP stands for Speech-Language Pathologist.

✓ Active NPI ✓ Valid NPI checksum

NPI	1730497090
Entity type	Individual (Type 1)
Name	Stefanie L Johnson
Credential	SLP
Sex	Female
Practice address	440 WELLS ST, SUITE 200, Delafield, WI, 53018
Phone	4792012844
Enumeration date	2010-09-21
Last updated in NPPES	2010-09-21

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
235Z00000X	Speech-Language Pathologist	Primary	3404-154	WI

SLP — Speech-Language Pathologist: A licensed clinician treating speech, language, and swallowing disorders. About the SLP credential

Copy-ready billing details

Provider: Stefanie Johnson, SLP
NPI: 1730497090
Taxonomy: 235Z00000X (Speech-Language Pathologist)
Address: 440 WELLS ST, SUITE 200, Delafield, WI, 53018

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1316181340	Carrie Klay	Individual	Physical Therapy Assistant	Delafield, WI
1427384791	Shannon Kasten	Individual	Physical Therapy Assistant	Delafield, WI
1477882769	Thomas Tomaszewski	Individual	Physical Therapy Assistant	Delafield, WI
1376873778	Laurie Spanbauer	Individual	Physical Therapy Assistant	Delafield, WI

Verify this record

Cross-check NPI 1730497090 against the authoritative CMS record: view Stefanie L Johnson on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Stefanie Johnson?

The National Provider Identifier (NPI) for Stefanie Johnson is 1730497090, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stefanie Johnson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-09-21.