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MR. THOMAS S LARSON LCSW
NPI 1114170909
Social Worker - Clinical in Morristown, NJ

Active since October 24, 2008PECOS EnrolledAccepts Medicare Assignment
100 MADISON AVENUE, CRISIS INTERVENTION, MORRISTOWN, NJ 07962(973) 971-5402(973) 451-0166 Get Directions Write a Review

NPPES record last updated: October 24, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Thomas S Larson Lcsw NPPES

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

MR. THOMAS S LARSON LCSW (NPI 1114170909) is an individual clinical provider in Morristown, New Jersey, licensed in New Jersey (44SC00278600) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS and is a graduate of Other (1984).

NPPES Registry Identity

NPI1114170909
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. THOMAS S LARSONCredential: LCSW
Location Address100 MADISON AVENUE, CRISIS INTERVENTIONMorristown, NJ 07962-1955
Mailing Address25 Lindsley Dr, Suite100Morristown, NJ 07960-4455 · (973) 451-0246 · Fax (973) 451-0166
Phone(973) 971-5402
Fax(973) 451-0166
Sole ProprietorNo
Medical School CMSOtherGraduated 1984
Enumeration DateOctober 24, 2008
✔ NPI 1114170909 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 NJ · 44SC00278600
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.
100 MADISON AVENUE, Morristown, NJ 07962
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Mr. Thomas S Larson Lcsw 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 ID5698016699
PECOS Enrollment IDI20190401000016
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 Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Psych Center LLC
25 mi
Clinical
125 RIVER RD STE 106
Edgewater, NJ 07020
  • Reassigned Medicare billing, New Jersey enrollment
  • 4 clinicians in this Medicare group
NPI 1720435654 (201) 606-2592

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 07962 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 $63.84 – $190.92
Typical copayment $0.00 (range $15.96 – $47.73)
Most-billed visit code NA
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
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 9

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

MS. ROBIN LISA SCHWALB LCSW
Social Worker (Clinical)
100 MADISON AVENUE, MMH CIS BOX 97
MORRISTOWN, NJ 07962
Morris County (973) 971-5402
LEA NICOLE REINHOLD LSW
Social Worker
100 MADISON AVENUE, MMH CIS BOX 97
MORRISTOWN, NJ 07962
Morris County (973) 971-5402
RACHEL ROSENSTOCK LEIBU MD
Internal Medicine
100 MADISON AVENUE
MORRISTOWN, NJ 07962
Morris County (973) 971-5440
MS. MARIA LOURDES CORDERO LCSW
Social Worker (Clinical)
100 MADISON AVENUE, CHILD DEVELOPMENT CENTER BOX 100 MORRISTOWN MEMORIAL HO
MORRISTOWN, NJ 07962
Morris County (973) 971-4208
DR. NITA BHATIA DO
Psychiatry & Neurology (Child & Adolescent Psychiatry)
100 MADISON AVENUE, DEPT OF PSYCHIATRY
MORRISTOWN, NJ 07962
Morris County (973) 971-5366
MR. JOHN JOSEPH COLUCCI M.A. M.ED., LPC
Counselor (Professional)
100 MADISON AVENUE, MMH CIS BOX 97
MORRISTOWN, NJ 07962
Morris County (973) 971-5402
CRAIG DUFFY LPC
Counselor (Professional)
100 MADISON AVENUE, MMH CIS BOX 97
MORRISTOWN, NJ 07962
Morris County (973) 971-5402
SHEILA J DYNAN LCSW
Social Worker (Clinical)
100 MADISON AVENUE, MORRISTOWN MEMORIAL HOSPITAL - CIS
MORRISTOWN, NJ 07962
Morris County (973) 971-5402

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 Larson's NPI number?

The NPI number for Thomas Larson is 1114170909. It was assigned to this individual provider in the NPPES registry on October 24, 2008.

Where is Thomas Larson located?

Thomas Larson practices at 100 Madison Avenue Crisis Intervention, Morristown, NJ 07962. The listed phone number is (973) 971-5402.

What is Thomas Larson's specialty?

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

Is Thomas Larson enrolled in Medicare?

Yes. Thomas Larson 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 Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Larson reassigns Medicare benefits to The Psych Center LLC (Edgewater, NJ). 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 Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Larson accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Thomas Larson 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 Larson was last updated on October 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.