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MARGARET ERIN HALEY COX LPC
NPI 1497492102
Counselor - Mental Health in Washington, DC

Active since May 14, 2022
1519 CONNECTICUT AVE NW STE 301, WASHINGTON, DC 20036(843) 697-1291 Get Directions Write a Review

NPPES record last updated: July 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2025, Apr 8, 2025, May 14, 2022 (3 updates tracked since 2022).

About Margaret Erin Haley Cox Lpc NPPES

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

MARGARET ERIN HALEY COX LPC (NPI 1497492102) is an individual mental health provider in Washington, District Of Columbia, licensed in District Of Columbia (PRC200002385) and active in the NPI registry since May 2022.

NPPES Registry Identity

NPI1497492102
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARGARET ERIN HALEY COXCredential: LPC
Location Address1519 CONNECTICUT AVE NW STE 301Washington, DC 20036-1116
Mailing Address1519 Connecticut Ave Nw Ste 301Washington, DC 20036-1116 · (843) 697-1291
Phone(843) 697-1291
Sole ProprietorNo
Enumeration DateMay 14, 2022
Last NPPES UpdateJuly 9, 20253 updates tracked since enumeration
NPPES CertifiedJuly 9, 2025
✔ NPI 1497492102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in DC · PRC200002385
1519 CONNECTICUT AVE NW STE 301, Washington, DC 20036
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Other Names 1

Professional Name (2)Erin Cox Lpc

Other Providers at the Same Location NPPES 2

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

SARA BATTISTA PSYCHOTHERAPY, LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
1519 CONNECTICUT AVE NW STE 301
WASHINGTON, DC 20036
District of Columbia (202) 644-9227
EMMA CAROLINE REED
Counselor (Professional)
1519 CONNECTICUT AVE NW STE 301
WASHINGTON, DC 20036
District of Columbia (202) 644-9227

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 Margaret Haley Cox's NPI number?

The NPI number for Margaret Haley Cox is 1497492102. It was assigned to this individual provider in the NPPES registry on May 14, 2022. The provider is also known as Erin Cox Lpc.

Where is Margaret Haley Cox located?

Margaret Haley Cox practices at 1519 Connecticut Ave NW Ste 301, Washington, DC 20036. The listed phone number is (843) 697-1291.

What is Margaret Haley Cox's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Margaret Haley Cox was last updated on July 9, 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.