1. Home
  2. Directory
  3. Connecticut
  4. Preston
  5. Social Worker
  6. NPI Profile

JILL M LARSON BS
NPI 1336422708
Social Worker - Clinical in Preston, CT

Active since September 22, 2011PECOS Enrolled
124 ROUTE 2A, PRESTON, CT 06365(612) 232-8367 Get Directions Write a Review

NPPES record last updated: November 9, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Jill M Larson Bs NPPES

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

JILL M LARSON BS (NPI 1336422708) is an individual clinical provider in Preston, Connecticut, licensed in Connecticut (009138) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336422708
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJILL M LARSONCredential: BS
Location Address124 ROUTE 2APreston, CT 06365-8537
Mailing Address124 Route 2aPreston, CT 06365-8537 · (612) 232-8367
Phone(612) 232-8367
Sole ProprietorYes
Enumeration DateSeptember 22, 2011
Last NPPES UpdateNovember 9, 2015
✔ NPI 1336422708 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 CT · 009138✔ Licensed in MD · 18215
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.
124 ROUTE 2A, Preston, CT 06365
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jill M Larson Bs is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Jill Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montgomery County Maryland Government
315 mi
Adult Mental Health
11002 VEIRS MILL RD # 705
Silver Spring, MD 20902
  • Reassigned Medicare billing, District of Columbia enrollment
  • 74 clinicians in this Medicare group
NPI 1104946482 (240) 777-1384

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 06365 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 $60.82 – $183.10
Typical copayment $0.00 (range $15.20 – $45.77)
Most-billed visit code NA
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

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 Jill Larson's NPI number?

The NPI number for Jill Larson is 1336422708. It was assigned to this individual provider in the NPPES registry on September 22, 2011.

Where is Jill Larson located?

Jill Larson practices at 124 Route 2A, Preston, CT 06365. The listed phone number is (612) 232-8367.

What is Jill Larson's specialty?

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

Is Jill Larson enrolled in Medicare?

Yes. Jill Larson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jill Larson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jill Larson reassigns Medicare benefits to Montgomery County Maryland Government (Silver Spring, MD). 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 Jill Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jill Larson was last updated on November 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.