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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOSHUA DUNCAN LPC
NPI 1629642285
Counselor - Mental Health in Sioux Falls, SD

Active since May 18, 2021
3409 W 47TH ST STE 102, SIOUX FALLS, SD 57106(605) 593-4075(605) 401-4086 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 8, 2026, May 18, 2021 (2 updates tracked since 2021).

About Joshua Duncan Lpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSHUA DUNCAN LPC (NPI 1629642285) is an individual mental health provider in Sioux Falls, South Dakota, licensed in South Dakota (LPCMH30737) and active in the NPI registry since May 2021.

NPPES Registry Identity

NPI1629642285
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameJOSHUA DUNCANCredential: LPC
Location Address3409 W 47TH ST STE 102Sioux Falls, SD 57106-6339
Mailing Address3409 W 47th St Ste 102Sioux Falls, SD 57106-6339 · (605) 593-4075 · Fax (605) 401-4086
Phone(605) 593-4075
Fax(605) 401-4086
Sole ProprietorYes
Enumeration DateMay 18, 2021
Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2026
✔ NPI 1629642285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in SD · LPCMH30737
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 19031813 (SD)
3409 W 47TH ST STE 102, Sioux Falls, SD 57106
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Other Identifiers 1

Medicaid6580484SD

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan.Insurance ›

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. RONALD B OLSON MAC
Counselor (Mental Health)
3409 W 47TH ST STE 102
SIOUX FALLS, SD 57106
Minnehaha County (605) 593-4075
MELISSA ANN SMITH
Counselor
3409 W 47TH ST STE 102
SIOUX FALLS, SD 57106
Minnehaha County (605) 593-4075

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joshua Duncan's NPI number?

The NPI number for Joshua Duncan is 1629642285. It was assigned to this individual provider in the NPPES registry on May 18, 2021.

Where is Joshua Duncan located?

Joshua Duncan practices at 3409 W 47th St Ste 102, Sioux Falls, SD 57106. The listed phone number is (605) 593-4075.

What is Joshua Duncan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Joshua Duncan accept?

Health plans from Avera Health Plans and Sanford Health Plan list Joshua Duncan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Joshua Duncan was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.