Individual provider Active NPI

Joshua Duncan, LPC

  • Mental Health Counselor
  • Sioux Falls, SD
National Provider Identifier
1629642285
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
LPCMH30737 Issued in SD
Practice address
3409 W 47TH St Ste 102
Sioux Falls, SD 57106-6339
Phone
(605) 593-4075
Fax
(605) 401-4086
NPI assigned
May 18, 2021
Last updated
Sep 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X 19031813 SD
Mental Health Counselor 101YM0800X LPCMH30737 SD Primary

Addresses

Primary practice location

3409 W 47TH St Ste 102
Sioux Falls, SD 57106-6339

Mailing address

3409 W 47TH St Ste 102
Sioux Falls, SD 57106-6339
Phone (605) 593-4075

Other identifiers 1

IdentifierTypeStateIssuer
6580484MedicaidSD

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

Practice roles

OrganizationSpecialtyStatusNew patients
Jshay Enterprises LLC Mental Health CurrentSince Jul 9, 2023 Accepting new patients

Locations

3400 W 49th St
Ste 200
Sioux Falls, SD 57106
Phone (605) 600-2289

3409 W 47th St
Ste 102
Sioux Falls, SD 57106
Phone (605) 593-4075

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": "1621296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788825600000",
    "number": "1629642285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3409 W 47TH ST STE 102",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571066339",
            "telephone_number": "605-593-4075",
            "fax_number": "605-401-4086"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3409 W 47TH ST STE 102",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571066339",
            "telephone_number": "605-593-4075",
            "fax_number": "605-401-4086"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUNCAN",
        "first_name": "JOSHUA",
        "credential": "LPC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-18",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "SD",
            "license": "19031813",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "SD",
            "license": "LPCMH30737",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6580484",
            "state": "SD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sioux Falls, SD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.