Individual provider Active NPI

Mark Lafave, HAD

  • Hearing Instrument Specialist
  • Billings, MT
National Provider Identifier
1760296446
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hearing Instrument SpecialistTaxonomy code 237700000X
License
HAD-HAD-LIC-1734 Issued in MT
Practice address
111 S 24TH St W Unit 7
Billings, MT 59102-5659
Phone
(406) 248-1006
Fax
(406) 324-9222
NPI assigned
Feb 4, 2025
Last updated
Jul 30, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hearing Instrument Specialist 237700000X HAD-HAD-LIC-1734 MT Primary

Addresses

Primary practice location

111 S 24TH St W Unit 7
Billings, MT 59102-5659

Mailing address

2156 N Hill Field Rd Ste 3
Layton, UT 84041-4771
Phone (801) 203-4055

Other practice location 1

980 Sibley Cir
Sheridan, WY 82801-9666
Phone (307) 200-7675

Other practice location 2

1130 Sheridan Ave Ste 230
Cody, WY 82414-3654
Phone (307) 200-7675

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
HAD-HAD-LIC-1734MTMDHearing Instrument Specialist

Practice roles

OrganizationSpecialtyStatusNew patients
D&a Financial Services, LLC Hearing Instrument Specialist PastSince Feb 9, 2025 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1738627200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1760296446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2156 N HILL FIELD RD STE 3",
            "city": "LAYTON",
            "state": "UT",
            "postal_code": "840414771",
            "telephone_number": "801-203-4055"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 S 24TH ST W UNIT 7",
            "city": "BILLINGS",
            "state": "MT",
            "postal_code": "591025659",
            "telephone_number": "406-248-1006",
            "fax_number": "406-324-9222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "980 Sibley Cir",
            "address_purpose": "LOCATION",
            "city": "Sheridan",
            "state": "WY",
            "postal_code": "828019666",
            "country_code": "US",
            "telephone_number": "307-200-7675",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1130 Sheridan Ave Ste 230",
            "address_purpose": "LOCATION",
            "city": "Cody",
            "state": "WY",
            "postal_code": "824143654",
            "country_code": "US",
            "telephone_number": "307-200-7675",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAFAVE",
        "first_name": "MARK",
        "credential": "HAD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-02-04",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "237700000X",
            "taxonomy_group": "",
            "desc": "Hearing Instrument Specialist",
            "state": "MT",
            "license": "HAD-HAD-LIC-1734",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Billings, MT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.