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MS. MARY ANN HAYES LCSWC
NPI 1831235332
Social Worker in Bethesda, MD

Active since January 30, 2007
4401 EAST WEST HIGHWAY, SUITE 200, BETHESDA, MD 20814(301) 230-5558(301) 320-4011 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Mary Ann Hayes Lcswc NPPES

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

MS. MARY ANN HAYES LCSWC (NPI 1831235332) is an individual social worker in Bethesda, Maryland, licensed in Maryland (06057) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1831235332
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMS. MARY ANN HAYESCredential: LCSWC
Location Address4401 EAST WEST HIGHWAY, SUITE 200Bethesda, MD 20814
Mailing Address4401 East West Highway, Suite 200Bethesda, MD 20814 · (301) 230-5558 · Fax (301) 320-4011
Phone(301) 230-5558
Fax(301) 320-4011
Sole ProprietorNo
Enumeration DateJanuary 30, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1831235332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MD · 06057
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4401 EAST WEST HIGHWAY, Bethesda, MD 20814
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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.

FREDRIC BARRY KLEINER PH.D.
Psychologist
4401 EAST WEST HIGHWAY, SUITE 307
BETHESDA, MD 20814
Montgomery County (301) 652-2120
MR. JASON MATTHEW GOLDBERG LCSW-C
Social Worker (Clinical)
4401 EAST WEST HIGHWAY, SUITE 207
BETHESDA, MD 20814
Montgomery County (202) 329-7696

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 Mary Ann Hayes's NPI number?

The NPI number for Mary Ann Hayes is 1831235332. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Mary Ann Hayes located?

Mary Ann Hayes practices at 4401 East West Highway Suite 200, Bethesda, MD 20814. The listed phone number is (301) 230-5558.

What is Mary Ann Hayes's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Mary Ann Hayes was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.