NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Thiemann Mental Health Services, LLC

Mental Health Counselor in Hiawatha, IA · enumerated 2026 · authorized official Erin Thiemann, Owner/Provider.

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

National Provider Identifier

1992658678

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Thiemann Mental Health Services, LLC
Practice address 1450 Boyson Rd Ste C-2b, Hiawatha, IA, 52233
Fax (319) 204-4180
Enumeration date Feb 20, 2026
Last updated in NPPES Feb 20, 2026

Taxonomy & classification

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

Authorized official

Name Erin Thiemann
Title Owner/Provider

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 Thiemann Mental Health Services, LLC?
The NPI for Thiemann Mental Health Services, LLC is 1992658678, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Thiemann Mental Health Services, LLC?
NPPES lists Erin Thiemann (Owner/Provider) as the authorized official for this organization.

Providers at this address

Browse all →

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