MATTHEW DIAMOND LMSW
NPI 1275296618
Social Worker - Clinical in New Rochelle, NY

Active since October 21, 2021PECOS Enrolled
481 MAIN ST, NEW ROCHELLE, NY 10801(914) 355-2440 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 3, 2025, May 15, 2024, Oct 21, 2021 (3 updates tracked since 2021).

About Matthew Diamond Lmsw NPPES

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

MATTHEW DIAMOND LMSW (NPI 1275296618) is an individual clinical provider in New Rochelle, New York, licensed in New York (101235) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1275296618
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMATTHEW DIAMONDCredential: LMSW
Location Address481 MAIN STNew Rochelle, NY 10801-6324
Mailing Address481 Main StNew Rochelle, NY 10801-6324 · (914) 355-2440
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 21, 2021
Last NPPES UpdateDecember 3, 20253 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
NPI 1275296618 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 NY · 101235 Licensed in CT · 5953
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.

481 MAIN ST, New Rochelle, NY 10801

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Matthew Diamond Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002308020
PECOS Enrollment IDI20251126000149
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 10801 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 $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

Social Worker (Clinical)
481 MAIN ST, SUITE 403
NEW ROCHELLE, NY 10801
Counselor (Mental Health)
481 MAIN ST, SUITE 401
NEW ROCHELLE, NY 10801
Counselor (Mental Health)
481 MAIN ST
NEW ROCHELLE, NY 10801
Social Worker (Clinical)
481 MAIN ST
NEW ROCHELLE, NY 10801
Counselor (Mental Health)
481 MAIN ST, SUITE 401
NEW ROCHELLE, NY 10801
Social Worker (Clinical)
481 MAIN ST
NEW ROCHELLE, NY 10801
Counselor (Mental Health)
481 MAIN ST
NEW ROCHELLE, NY 10801
Marriage & Family Therapist
481 MAIN ST, SUITE 401
NEW ROCHELLE, NY 10801

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 Matthew Diamond's NPI number?

The NPI number for Matthew Diamond is 1275296618. It was assigned to this individual provider in the NPPES registry on October 21, 2021.

Where is Matthew Diamond located?

Matthew Diamond practices at 481 Main St, New Rochelle, NY 10801. The listed phone number is (914) 355-2440.

What is Matthew Diamond's specialty?

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

Is Matthew Diamond enrolled in Medicare?

Yes. Matthew Diamond is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Matthew Diamond was last updated on December 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.