Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. CATHI SONNEBORN GILMORE LICSW (MSSA)
NPI 1265421853
Social Worker - Clinical in Newton Centre, MA

Active since October 17, 2005PECOS Enrolled
23 PLEASANT ST, STE 2, NEWTON CENTRE, MA 02459(617) 969-6093 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Cathi Sonneborn Gilmore Licsw (mssa) NPPES

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

MS. CATHI SONNEBORN GILMORE LICSW (MSSA) (NPI 1265421853) is an individual clinical provider in Newton Centre, Massachusetts, licensed in Massachusetts (100858) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1975).

NPPES Registry Identity

NPI1265421853
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. CATHI SONNEBORN GILMORECredential: LICSW (MSSA)
Location Address23 PLEASANT ST, STE 2Newton Centre, MA 02459-1836
Mailing Address144 Upland RdWaban, MA 02468-2005 · (617) 969-6093
Sole ProprietorNo
Medical School CMSOtherGraduated 1975
Enumeration DateOctober 17, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1265421853 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 MA · 100858
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.

23 PLEASANT ST, Newton Centre, MA 02459

Other Names 1

Former Name (1)Ms. Cathi Leslie Sonneborn Mssa Licsw

Other Identifiers 2

OtherP03477Blue Cross Blue Shield
OtherT167169Aetna

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 and accepts Medicare assignment

Ms. Cathi Sonneborn Gilmore Licsw (mssa) 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 ID4385645316
PECOS Enrollment IDI20070118000127
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 02459 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 $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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 8

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

Social Worker (Clinical)
23 PLEASANT ST
NEWTON CENTRE, MA 02459
Social Worker (Clinical)
23 PLEASANT ST, SUITE 2
NEWTON, MA 02459
Acupuncturist
23 PLEASANT ST
NEWTON CENTRE, MA 02459
Clinical Neuropsychologist
23 PLEASANT ST
NEWTON, MA 02459
Psychologist (Forensic)
23 PLEASANT ST, SUITE 2
NEWTON CENTER, MA 02459
Clinical Neuropsychologist
23 PLEASANT ST
NEWTON, MA 02459
Dentist (Orthodontics and Dentofacial Orthopedics)
23 PLEASANT ST
NEWTON CENTRE, MA 02459
Acupuncturist
23 PLEASANT ST
NEWTON CENTER, MA 02459

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 Cathi Gilmore's NPI number?

The NPI number for Cathi Gilmore is 1265421853. It was assigned to this individual provider in the NPPES registry on October 17, 2005. The provider is also known as Ms. Cathi Leslie Sonneborn Mssa Licsw.

Where is Cathi Gilmore located?

Cathi Gilmore practices at 23 Pleasant St Ste 2, Newton Centre, MA 02459. The listed phone number is (617) 969-6093.

What is Cathi Gilmore's specialty?

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

Is Cathi Gilmore enrolled in Medicare?

Yes. Cathi Gilmore 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.

What insurance does Cathi Gilmore accept?

Health plans from Anthem Blue Cross and Blue Shield list Cathi Gilmore 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 Cathi Gilmore was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.