Humboldt Workshop, Inc.

Primary specialty

Developmentally Disabled Services Day Training AgencyTaxonomy code 251C00000X

Legal business name

HUMBOLDT WORKSHOP, INC.

Practice address

21 Taft St N
Humboldt, IA 50548-1768

Phone

(515) 332-2841

Fax

(515) 332-1915

NPI assigned

Jan 8, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Mrs. Joan Marie Kellner

Title

Chief Financial Officer

Phone

(515) 332-2841

Specialties & licenses 2

Addresses

Other identifiers 1

Tax ID family

Humboldt Workshop Inc4 organizations share this tax ID, including this one

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

• Humboldt Workshop

  • Developmentally Disabled Services Day Training Agency
  • Humboldt, IA
  • NPI 1598839359
  NPD tax ID
• Humboldt Workshop, Inc

  • Custodial Care Facility
  • Humboldt, IA
  • NPI 1841373735
  NPD tax ID
• Humboldt Workshop, Inc.

  • Nursing Facility/Intermediate Care Facility
  • Humboldt, IA
  • NPI 1932310984
  NPD tax ID

Locations

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1003965443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 587",
            "city": "HUMBOLDT",
            "state": "IA",
            "postal_code": "505480587",
            "telephone_number": "515-332-2841",
            "fax_number": "515-332-1915"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 TAFT ST N",
            "city": "HUMBOLDT",
            "state": "IA",
            "postal_code": "505481768",
            "telephone_number": "515-332-2841",
            "fax_number": "515-332-1915"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "HUMBOLDT WORKSHOP, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "KELLNER",
        "authorized_official_first_name": "JOAN",
        "authorized_official_middle_name": "MARIE",
        "authorized_official_title_or_position": "CHIEF FINANCIAL OFFICER",
        "authorized_official_telephone_number": "515-332-2841",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "251C00000X",
            "taxonomy_group": "",
            "desc": "Day Training, Developmentally Disabled Services",
            "state": "IA",
            "license": null,
            "primary": true
        },
        {
            "code": "251E00000X",
            "taxonomy_group": "",
            "desc": "Home Health",
            "state": "IA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0230193",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Humboldt Workshop, Inc.
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• Indianhead Investments, LLC (Three Rivers Eye Care)
• Iowa Physicians Clinic Medical Foundation (Unitypoint Clinic Family Medicine Humboldt)
• Rachel Kerns, PHARMD, MBA

• Developmentally Disabled Services Day Training Agency in Humboldt, IA
• Providers in Humboldt, IA by specialty
• Developmentally Disabled Services Day Training Agency in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.