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

MARCUS ALEXANDER THOMPSON LCSW
NPI 1659146678
Social Worker - Clinical in Kingston, TN

Active since November 20, 2023PECOS Enrolled
503 N KENTUCKY ST, KINGSTON, TN 37763(865) 224-6759 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 2, 2026, Sep 16, 2026, Apr 16, 2026 and 2 more (5 updates tracked since 2023).

About Marcus Alexander Thompson Lcsw NPPES

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

MARCUS ALEXANDER THOMPSON LCSW (NPI 1659146678) is an individual clinical provider in Kingston, Tennessee, licensed in Tennessee (10385) and active in the NPI registry since November 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2021).

NPPES Registry Identity

NPI1659146678
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMARCUS ALEXANDER THOMPSONCredential: LCSW
Location Address503 N KENTUCKY STKingston, TN 37763-2630
Mailing Address503 N Kentucky StKingston, TN 37763-2630 · (865) 224-6759
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2021
Enumeration DateNovember 20, 2023
Last NPPES UpdateOctober 2, 20265 updates tracked since enumeration
NPPES CertifiedOctober 2, 2026
✔ NPI 1659146678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in TN · 10385✔ Licensed in MA · 230130
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.
503 N KENTUCKY ST, Kingston, TN 37763

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)

Marcus Alexander Thompson Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507335676
PECOS Enrollment IDI20260518003852
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 Marcus Thompson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychiatric Hospital
240 W TYRONE RD
Oak Ridge, TN 37830
  • Reassigned Medicare billing, Tennessee enrollment
  • 33 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37763 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 $52.64 – $160.89
Typical copayment $0.00 (range $13.16 – $40.22)
Most-billed visit code NA
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
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

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

Clinic/Center (Mental Health (Including Community Mental Health Center))
503 N KENTUCKY ST
KINGSTON, TN 37763

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 Marcus Thompson's NPI number?

The NPI number for Marcus Thompson is 1659146678. It was assigned to this individual provider in the NPPES registry on November 20, 2023.

Where is Marcus Thompson located?

Marcus Thompson practices at 503 N Kentucky St, Kingston, TN 37763. The listed phone number is (865) 224-6759.

What is Marcus Thompson's specialty?

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

Is Marcus Thompson enrolled in Medicare?

Yes. Marcus Thompson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marcus Thompson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Thompson reassigns Medicare benefits to Ridgeview Psychiatric Hospital And Center, Inc. (Oak Ridge, TN). 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 Marcus Thompson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marcus Thompson accept?

Health plans from Oscar Insurance Company and UnitedHealthcare list Marcus Thompson 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 Marcus Thompson was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 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.