MARGARET O'BRIEN LC
NPI 1033320635
Counselor - Mental Health in Lanham, MD

Active since May 24, 2007
10123 SENATE DR, SUPPORT SERVICES, LANHAM, MD 20706(301) 459-9840(301) 459-9110 Get Directions Write a Review

NPPES record last updated: November 5, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Margaret O'brien Lc NPPES

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

MARGARET O'BRIEN LC (NPI 1033320635) is an individual mental health provider in Lanham, Maryland, licensed in Maryland (0369) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1033320635
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARGARET O'BRIENCredential: LC
Location Address10123 SENATE DR, SUPPORT SERVICESLanham, MD 20706-4367
Mailing Address10123 Senate DrLanham, MD 20706-4367 · (301) 459-9118
Fax(301) 459-9110
Sole ProprietorNo
Enumeration DateMay 24, 2007
Last NPPES UpdateNovember 5, 2007
NPI 1033320635 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 MD · 0369
10123 SENATE DR, Lanham, MD 20706

Other Names 1

Professional Name (2)Peggy O'brien Lc

Other Identifiers 1

Medicaid0369MD

Other Providers at the Same Location NPPES 6

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

Social Worker (Clinical)
10123 SENATE DR
LANHAM, MD 20706
Social Worker (Clinical)
10123 SENATE DR, 1ST FLOOR
LANHAM, MD 20706
Social Worker (Clinical)
10123 SENATE DR
LANHAM, MD 20706
Counselor (Mental Health)
10123 SENATE DR, 1ST FLOOR
LANHAM, MD 20706
Counselor (Mental Health)
10123 SENATE DR, 1ST FLOOR
LANHAM, MD 20706
Counselor
10123 SENATE DR
LANHAM, MD 20706

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 O'brien's NPI number?

The NPI number for Margaret O'brien is 1033320635. It was assigned to this individual provider in the NPPES registry on May 24, 2007. The provider is also known as Peggy O'brien Lc.

Where is Margaret O'brien located?

Margaret O'brien practices at 10123 Senate Dr Support Services, Lanham, MD 20706. The listed phone number is (301) 459-9840.

What is Margaret O'brien'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 O'brien was last updated on November 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.