NPIMap

Organization Active NPI

Clark and Associates, Inc

  • Prosthetic/Orthotic Supplier
  • Mason City, IA
National Provider Identifier
1912184433
Registry record updated Sep 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Prosthetic/Orthotic SupplierTaxonomy code 335E00000X
Legal business name
CLARK AND ASSOCIATES, INC
Practice address
646 S Monroe Ave
Mason City, IA 50401-5041
Phone
(641) 422-1423
Fax
(641) 423-5233
NPI assigned
Jan 28, 2008
Last updated
Sep 24, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
HANGER INCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Sep 24, 2026

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

Authorized official

Name
Jennifer L Simmons
Title
Regulatory Compliance Analyst III
Phone
(206) 414-2907

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Durable Medical Equipment & Medical Supplies 332B00000X
Prosthetic/Orthotic Supplier 335E00000X Primary

Addresses

Primary practice location

646 S Monroe Ave
Mason City, IA 50401-5041

Mailing address

PO Box 650846
Dallas, TX 75265-0846
Phone (641) 422-1423

Other identifiers 1

IdentifierTypeStateIssuer
191218443MedicaidIA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20100930094665 IA DME Supplier - Pedorthic PersonnelDME Supplier - Orthotic PersonnelDME Supplier - Prosthetic Personnel 7012121023 Practice locations: Mason City, IA

Other NPIs with the same Medicare PAC ID 7

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

SupplierSuppliesMedicare assignment
Clark & Associates Prosthetics and646 S Monroe Ave, Mason City, IA 50401-5041(641) 422-1423 Orthoses: Custom Fabricated|Orthoses: Prefabricated (Non-Custom Fabricated)|Orthoses: Off-The-Shelf|Limb Prostheses|Diabetic Shoes and Inserts|Diabetic Shoes/Inserts - Custom|Lymphedema Compression Treatment Items Does not accept assignmentParticipating since Oct 25, 2002

National Provider Directory

National Provider Directory
Tax ID family
Clark and Associates Inc8 organizations share this tax ID, including this one

Other organizations with this tax ID 7

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

Locations

634 S Monroe Ave
Mason City, IA 50401

646 S Monroe Ave
Mason City, IA 50401
Phone (641) 422-1423

NPI Registry JSON

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

{
    "created_epoch": "1201478400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790208000000",
    "number": "1912184433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 650846",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752650846",
            "telephone_number": "641-422-1423",
            "fax_number": "641-423-5233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "646 S MONROE AVE",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504015041",
            "telephone_number": "641-422-1423",
            "fax_number": "641-423-5233"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CLARK AND ASSOCIATES, INC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "HANGER INC",
        "enumeration_date": "2008-01-28",
        "last_updated": "2026-09-24",
        "certification_date": "2026-09-24",
        "status": "A",
        "authorized_official_last_name": "SIMMONS",
        "authorized_official_first_name": "JENNIFER",
        "authorized_official_middle_name": "L",
        "authorized_official_title_or_position": "REGULATORY COMPLIANCE ANALYST III",
        "authorized_official_telephone_number": "206-414-2907"
    },
    "taxonomies": [
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "335E00000X",
            "taxonomy_group": "",
            "desc": "Prosthetic/Orthotic Supplier",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "191218443",
            "state": "IA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mason City, IA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.