Organization Active NPI

Thiemann Mental Health Services, LLC

  • Mental Health Counselor
  • Hiawatha, IA
National Provider Identifier
1992658678
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Legal business name
THIEMANN MENTAL HEALTH SERVICES, LLC
Practice address
1450 Boyson Rd Ste C-2B
Hiawatha, IA 52233-2323
Phone
(319) 946-4168
Fax
(319) 204-4180
NPI assigned
Feb 20, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Erin Thiemann, MA, LMHC, PMH-CNPI 1235649476
Title
Owner/Provider
Phone
(563) 320-0757

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193400000X SINGLE SPECIALTY GROUP 101YM0800X Primary

Addresses

Primary practice location

1450 Boyson Rd Ste C-2B
Hiawatha, IA 52233-2323

Mailing address

1450 Boyson Rd Ste C-2B
Hiawatha, IA 52233-2323
Phone (319) 946-4168

National Provider Directory

National Provider Directory

Locations

1450 Boyson Rd
Ste C-2B
Hiawatha, IA 52233
Phone (319) 474-5779

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1771545600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771545600000",
    "number": "1992658678",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1450 BOYSON RD STE C-2B",
            "city": "HIAWATHA",
            "state": "IA",
            "postal_code": "522332323",
            "telephone_number": "319-946-4168",
            "fax_number": "319-204-4180"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 BOYSON RD STE C-2B",
            "city": "HIAWATHA",
            "state": "IA",
            "postal_code": "522332323",
            "telephone_number": "319-946-4168",
            "fax_number": "319-204-4180"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THIEMANN MENTAL HEALTH SERVICES, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-20",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A",
        "authorized_official_last_name": "THIEMANN",
        "authorized_official_first_name": "ERIN",
        "authorized_official_title_or_position": "OWNER/PROVIDER",
        "authorized_official_telephone_number": "563-320-0757",
        "authorized_official_credential": "MA, LMHC, PMH-C"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hiawatha, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.