WILLIAM SKYLER KIRK LCSW
NPI 1790462893
Social Worker in Belle Fourche, SD

Active since June 29, 2023PECOS Enrolled
836 5TH AVE # 249, BELLE FOURCHE, SD 57717(970) 703-3260 Get Directions Write a Review

NPPES record last updated: August 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 28, 2026, Jan 12, 2026 (2 updates tracked since 2026).

About William Skyler Kirk Lcsw NPPES

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

WILLIAM SKYLER KIRK LCSW (NPI 1790462893) is an individual social worker in Belle Fourche, South Dakota, licensed in Colorado (CSW.09932683) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1790462893
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameWILLIAM SKYLER KIRKCredential: LCSW
Location Address836 5TH AVE # 249Belle Fourche, SD 57717-1607
Mailing Address836 5th Ave # 249Belle Fourche, SD 57717-1607 · (970) 703-3260
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 29, 2023
Last NPPES UpdateAugust 28, 20262 updates tracked since enumeration
NPPES CertifiedAugust 28, 2026
✔ NPI 1790462893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CO · CSW.09932683
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 254132 (AK), TPSW6901 (FL)
836 5TH AVE # 249, Belle Fourche, SD 57717

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Skyler Kirk Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628550068
PECOS Enrollment IDI20260304002827
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show William Kirk reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical
1738 WYNKOOP ST STE 303
Denver, CO 80202
  • Reassigned Medicare billing, Colorado enrollment
  • 940 clinicians in this Medicare group
Professional
1319 S DOWNING ST
Denver, CO 80210
  • Reassigned Medicare billing, Colorado enrollment
  • 48 clinicians in this Medicare group
Mental Health
110 N CORCORAN ST FL 5
Durham, NC 27701
  • Reassigned Medicare billing, Colorado enrollment
  • 160 clinicians in this Medicare group
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Alaska and Colorado enrollments
  • 53 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 William Kirk's NPI number?

The NPI number for William Kirk is 1790462893. It was assigned to this individual provider in the NPPES registry on June 29, 2023.

Where is William Kirk located?

William Kirk practices at 836 5th Ave # 249, Belle Fourche, SD 57717. The listed phone number is (970) 703-3260.

What is William Kirk's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is William Kirk enrolled in Medicare?

Yes. William Kirk is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Kirk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Kirk reassigns Medicare benefits to 4 organizations: Sondermind Provider Network LLC (Denver, CO), Westside Behavioral Care, Inc. (Denver, CO), Mental Health Specialty Group PA (Durham, NC) and Grow Healthcare Group PA (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Kirk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Kirk accept?

Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare and Select Health list William Kirk 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 William Kirk was last updated on August 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.