Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

THE ARC/MERCER INC.
NPI 1861219149
Community/Behavioral Health in Princeton, NJ

Q: What is The Arc/Mercer Inc.'s NPI number?

The NPI number for The Arc/Mercer Inc. is 1861219149. It was assigned to this organization in the NPPES registry on September 26, 2024.

Q: What is The Arc/Mercer Inc.'s specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since September 26, 2024

275 N HARRISON ST UNIT 218, PRINCETON, NJ 08540(609) 406-0181 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 10, 2025, Sep 26, 2024 (2 updates tracked since 2024).

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About The Arc/mercer Inc. NPPES

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

THE ARC/MERCER INC. (NPI 1861219149) is a healthcare organization registered as a community/behavioral health in Princeton, New Jersey and active in the NPI registry since September 2024. The organization lists Sekou K Kamara, Financial Controller, as its authorized official.

NPPES Registry Identity

NPI1861219149

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameTHE ARC/MERCER INC.

Location Address275 N HARRISON ST UNIT 218Princeton, NJ 08540-3537

Mailing Address180 Ewingville RdEwing, NJ 08638-2425 · (609) 643-5220

Phone(609) 406-0181

Organization SubpartNo

Authorized OfficialSekou K KamaraFinancial Controller · (609) 406-0181

Enumeration DateSeptember 26, 2024

Last NPPES UpdateOctober 20, 20262 updates tracked since enumeration

NPPES CertifiedOctober 20, 2026

✔ NPI 1861219149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

275 N HARRISON ST UNIT 218, Princeton, NJ 08540

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Other Identifiers 1

Medicaid0466912NJ

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 The Arc/Mercer Inc.'s NPI number?

The NPI number for The Arc/Mercer Inc. is 1861219149. It was assigned to this organization in the NPPES registry on September 26, 2024.

Where is The Arc/Mercer Inc. located?

The Arc/Mercer Inc. is located at 275 N Harrison St Unit 218, Princeton, NJ 08540. The listed phone number is (609) 406-0181.

What is The Arc/Mercer Inc.'s specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

When was this NPI record last updated?

The NPPES record for The Arc/Mercer Inc. was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 days 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.