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

Mrs. Lisa M. Steffl, MS, ATR-L-BC

Art Therapist in Watertown, WI · enumerated 2006.

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

National Provider Identifier

1649331877

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Registry record

Entity type Individual (Type 1)

Name Mrs. Lisa M. Steffl

Credential MS, ATR-L-BC

Sex Female

Practice address Watertown, WI, 53094

Phone (920) 261-9268

Enumeration date Dec 12, 2006

Last updated in NPPES Dec 23, 2013

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

Taxonomy & licenses

221700000X Art Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 55-036 (WI) Primary

Other identifiers

Identifier	Type	State	Issuer
55-036	Other	WI	ART THERAPIST

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 1649331877 active?

Yes, as of the latest NPPES snapshot, NPI 1649331877 is active (record last updated 2013-12-23).

How do I verify Lisa Steffl's NPI record?

Cross-check NPI 1649331877 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-23.