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

MARIAH GALLAGHER LLC
NPI 1942187729
Clinic/Center - Mental Health (Including Community Mental Health Center) in Philadelphia, PA

Active since August 21, 2025
2021 ARCH ST, PHILADELPHIA, PA 19103(215) 645-2684 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Mariah Gallagher Llc NPPES

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

MARIAH GALLAGHER LLC (NPI 1942187729), doing business as Mariah C Ely, is a healthcare organization registered as a mental health (including community mental health center) in Philadelphia, Pennsylvania and active in the NPI registry since August 2025. The organization lists Mariah Clement Gallagher, Owner, as its authorized official.

NPPES Registry Identity

NPI1942187729
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameMARIAH GALLAGHER LLC
Location Address2021 ARCH STPhiladelphia, PA 19103-1401
Mailing Address2021 Arch StPhiladelphia, PA 19103-1401 · (215) 645-2684
Phone(215) 645-2684
Organization SubpartNo
Authorized OfficialMariah Clement GallagherOwner · (401) 749-2696
Enumeration DateAugust 21, 2025
Last NPPES UpdateSeptember 18, 2026
NPPES CertifiedSeptember 18, 2026
✔ NPI 1942187729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
2021 ARCH ST, Philadelphia, PA 19103
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Other Names 1

Former Legal Business NameMariah C Ely

Other Providers at the Same Location NPPES 4

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

LAFLEUR COUNSELING, LLC
Counselor (Professional)
2021 ARCH ST
PHILADELPHIA, PA 19103
Philadelphia County (215) 596-1996
SEAN ARTHUR LAFLEUR M.A., LPC
Psychologist
2021 ARCH ST
PHILADELPHIA, PA 19103
Philadelphia County (215) 596-1996
MS. MARIAH CLEMENT GALLAGHER LCSW
Social Worker (Clinical)
2021 ARCH ST
PHILADELPHIA, PA 19103
Philadelphia County (215) 645-2684
ROOTED IN CARE COUNSELING
Clinic/Center (Adult Mental Health)
2021 ARCH ST
PHILADELPHIA, PA 19103
Philadelphia County (267) 225-0946

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 Mariah Gallagher LLC's NPI number?

The NPI number for Mariah Gallagher LLC is 1942187729. It was assigned to this organization in the NPPES registry on August 21, 2025. The provider was formerly known as Mariah C Ely.

Where is Mariah Gallagher LLC located?

Mariah Gallagher LLC is located at 2021 Arch St, Philadelphia, PA 19103. The listed phone number is (215) 645-2684.

What is Mariah Gallagher LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Mariah Gallagher LLC was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.