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THOMAS EARL ALDERSON LICSW
NPI 1679288229
Social Worker - Clinical in Willmar, MN

Active since January 18, 2023PECOS EnrolledAccepts Medicare Assignment
201 28TH AVE SW, WILLMAR, MN 56201(320) 214-8558(320) 235-2733 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 19, 2025, Jan 18, 2023 (2 updates tracked since 2023).

About Thomas Earl Alderson Licsw NPPES

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

THOMAS EARL ALDERSON LICSW (NPI 1679288229) is an individual clinical provider in Willmar, Minnesota, licensed in Minnesota (30974) and active in the NPI registry since January 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1679288229
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameTHOMAS EARL ALDERSONCredential: LICSW
Location Address201 28TH AVE SWWillmar, MN 56201-5241
Mailing Address201 28th Ave SwWillmar, MN 56201-5241 · (320) 214-8558 · Fax (320) 235-2733
Phone(320) 214-8558
Fax(320) 235-2733
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 18, 2023
Last NPPES UpdateNovember 19, 20252 updates tracked since enumeration
NPPES CertifiedNovember 19, 2025
✔ NPI 1679288229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MN · 30974
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.
201 28TH AVE SW, Willmar, MN 56201
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Earl Alderson Licsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325531072
PECOS Enrollment IDI20251202002335
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 Reassignment

Medicare enrollment records show Thomas Alderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nystrom & Associates, Ltd
89 mi
Clinical
1900 SILVER LAKE RD NW, SUITE 110
New Brighton, MN 55112
  • Reassigned Medicare billing, Minnesota enrollment
  • 794 clinicians in this Medicare group
NPI 1396750188 (651) 628-9566

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 56201 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 $56.00 – $168.28
Typical copayment $0.00 (range $14.00 – $42.07)
Most-billed visit code NA
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
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 20

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

MRS. BARBARA JEAN NELSON LMFT
Marriage & Family Therapist
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
KRISTINA A. HUISINGA MSW, LICSW
Social Worker (Clinical)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
REBECCA GARDNER LPCC
Counselor (Professional)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
MS. VIRGINIA KAY BACKMAN LICSW
Social Worker (Clinical)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
COURTNEY POPOWSKI
Social Worker (Clinical)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
MATTHEW CHAD HOEKSTRA MA, LPCC
Counselor (Professional)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
MS. REBECCA ANN STRIKE LGSW
Social Worker (Clinical)
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558
LAURA POULIOT
Counselor (Addiction (Substance Use Disorder))
201 28TH AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 214-8558

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 Thomas Alderson's NPI number?

The NPI number for Thomas Alderson is 1679288229. It was assigned to this individual provider in the NPPES registry on January 18, 2023.

Where is Thomas Alderson located?

Thomas Alderson practices at 201 28th Ave SW, Willmar, MN 56201. The listed phone number is (320) 214-8558.

What is Thomas Alderson's specialty?

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

Is Thomas Alderson enrolled in Medicare?

Yes. Thomas Alderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Alderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Alderson reassigns Medicare benefits to Nystrom & Associates, Ltd (New Brighton, MN). The 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 Thomas Alderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Alderson accept?

Health plans from HealthPartners and Sanford Health Plan list Thomas Alderson 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 Thomas Alderson was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.