NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria Lonsdale, LMHC

Mental Health Counselor in Sioux City, IA · enumerated 2022 · practices at Turner Therapy & Counseling.

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

National Provider Identifier

1427794510

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Maria Lonsdale
Credential LMHC
Sex Female
Practice address 3650 Glen Oaks Blvd, Sioux City, IA, 51104
Phone (712) 222-1459
Fax (712) 222-1460
Enumeration date May 11, 2022
Last updated in NPPES Sep 10, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 109234 (IA) 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 Maria Lonsdale?
The National Provider Identifier (NPI) for Maria Lonsdale is 1427794510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Lonsdale practice?
The practice location on file with NPPES is in Sioux City, IA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-10.