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MR. JOSEPH EDWARD DIACHEYSN II LCSW
NPI 1235783101
Social Worker - Clinical in Scotch Plains, NJ

Active since July 30, 2019PECOS Enrolled
368 MONTAGUE AVE, SCOTCH PLAINS, NJ 07076(551) 388-6245 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 2, 2025, Jul 30, 2019 (2 updates tracked since 2019).

About Mr. Joseph Edward Diacheysn Ii Lcsw NPPES

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

MR. JOSEPH EDWARD DIACHEYSN II LCSW (NPI 1235783101) is an individual clinical provider in Scotch Plains, New Jersey and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1235783101
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JOSEPH EDWARD DIACHEYSN IICredential: LCSW
Location Address368 MONTAGUE AVEScotch Plains, NJ 07076-1239
Mailing Address368 Montague Ave .Scotch Plains, NJ 07076 · (551) 388-6245
Phone(551) 388-6245
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJuly 30, 2019
Last NPPES UpdateSeptember 2, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1235783101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
368 MONTAGUE AVE, Scotch Plains, NJ 07076
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Joseph Edward Diacheysn Ii Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931672557
PECOS Enrollment IDI20260625001541
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 Joseph Diacheysn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cognosis LLC
1,057 mi
Psychiatry
130 S UNIVERSITY DR STE C
Plantation, FL 33324
  • Reassigned Medicare billing, Florida enrollment
  • 5 clinicians in this Medicare group
NPI 1487504106 (954) 634-7966

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 07076 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

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

STONE AND SUN COUNSELING
Community/Behavioral Health
368 MONTAGUE AVE
SCOTCH PLAINS, NJ 07076
Union County (551) 388-6245

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 Joseph Diacheysn's NPI number?

The NPI number for Joseph Diacheysn is 1235783101. It was assigned to this individual provider in the NPPES registry on July 30, 2019.

Where is Joseph Diacheysn located?

Joseph Diacheysn practices at 368 Montague Ave, Scotch Plains, NJ 07076. The listed phone number is (551) 388-6245.

What is Joseph Diacheysn's specialty?

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

Is Joseph Diacheysn enrolled in Medicare?

Yes. Joseph Diacheysn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joseph Diacheysn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Diacheysn reassigns Medicare benefits to Cognosis LLC (Plantation, FL). 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 Joseph Diacheysn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Diacheysn accept?

Health plans from Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Joseph Diacheysn 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 Joseph Diacheysn was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.