SONJA MARIE HALVERSON LCSW
NPI 1740966555
Social Worker - Clinical in Spearfish, SD

Active since June 26, 2023PECOS Enrolled
115 N 7TH ST STE 6, SPEARFISH, SD 57783(605) 645-0100(605) 717-1009 Get Directions Write a Review

NPPES record last updated: March 14, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sonja Marie Halverson Lcsw NPPES

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

SONJA MARIE HALVERSON LCSW (NPI 1740966555) is an individual clinical provider in Spearfish, South Dakota, licensed in South Dakota (6391) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1740966555
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSONJA MARIE HALVERSONCredential: LCSW
Location Address115 N 7TH ST STE 6Spearfish, SD 57783-2710
Mailing Address115 N 7th St Ste 6Spearfish, SD 57783-2710 · (605) 645-0100 · Fax (605) 717-1009
Fax(605) 717-1009
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJune 26, 2023
Last NPPES UpdateMarch 14, 2024
NPPES CertifiedMarch 14, 2024
NPI 1740966555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in SD · 6391
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Also ListedSocial WorkerTaxonomy 104100000X · License 6391 (SD)
115 N 7TH ST STE 6, Spearfish, SD 57783

Other Identifiers 1

Medicaid3007730SD

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sonja Marie Halverson Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547702656
PECOS Enrollment IDI20240604003951
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57783 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $55.52 – $167.23
Typical copayment $0.00 (range $13.88 – $41.80)
Most-billed visit code NA
Established Patient
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

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

Nurse Practitioner (Psychiatric/Mental Health)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Counselor (Professional)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Nurse Practitioner (Psychiatric/Mental Health)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Counselor (Professional)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Social Worker (Clinical)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Nurse Practitioner (Psychiatric/Mental Health)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Social Worker (Clinical)
115 N 7TH ST STE 6
SPEARFISH, SD 57783
Counselor (Professional)
115 N 7TH ST STE 6
SPEARFISH, SD 57783

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 Sonja Halverson's NPI number?

The NPI number for Sonja Halverson is 1740966555. It was assigned to this individual provider in the NPPES registry on June 26, 2023.

Where is Sonja Halverson located?

Sonja Halverson practices at 115 N 7th St Ste 6, Spearfish, SD 57783. The listed phone number is (605) 645-0100.

What is Sonja Halverson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sonja Halverson enrolled in Medicare?

Yes. Sonja Halverson is registered in the Medicare PECOS enrollment system.

What insurance does Sonja Halverson accept?

Health plans from Providence Health Plan and Sanford Health Plan list Sonja Halverson 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 Sonja Halverson was last updated on March 14, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.