MARY LYNN MCDERMOTT LMSW
NPI 1396140539
Social Worker in Huntington, NY

Q: What is Mary Lynn Mcdermott's NPI number?

The NPI number for Mary Lynn Mcdermott is 1396140539. It was assigned to this individual provider in the NPPES registry on October 30, 2014.

Q: What is Mary Lynn Mcdermott's specialty?

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

Q: Is Mary Lynn Mcdermott enrolled in Medicare?

No. Mary Lynn Mcdermott has opted out of Medicare through November 11, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

Active since October 30, 2014Opted out of Medicare · through Nov 11, 2026

181 MAIN ST STE 501, HUNTINGTON, NY 11743(631) 804-4396 Get Directions Write a Review

NPPES record last updated: January 8, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2021, Dec 18, 2020 (2 updates tracked since 2020).

On this page

About Mary Lynn Mcdermott Lmsw NPPES

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

MARY LYNN MCDERMOTT LMSW (NPI 1396140539) is an individual social worker in Huntington, New York, licensed in New York (091845-1) and active in the NPI registry since October 2014. She has opted out of Medicare through November 11, 2026.

NPPES Registry Identity

NPI1396140539

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMARY LYNN MCDERMOTTCredential: LMSW

Location Address181 MAIN ST STE 501Huntington, NY 11743-6918

Mailing Address181 Main StHuntington, NY 11743-6918 · (631) 804-4396

Phone(631) 804-4396

Sole ProprietorNo

Enumeration DateOctober 30, 2014

Last NPPES UpdateJanuary 8, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 8, 2021

✔ NPI 1396140539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in NY · 091845-1

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.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 088039-1 (NY)

181 MAIN ST STE 501, Huntington, NY 11743

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mary Lynn Mcdermott Lmsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 11, 2024 through November 11, 2026.

Opt-Out Effective DateNovember 11, 2024

Opt-Out In Effect ThroughNovember 11, 2026Opt-out affidavits renew automatically every two years unless cancelled

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 Lynn Mcdermott's NPI number?

The NPI number for Mary Lynn Mcdermott is 1396140539. It was assigned to this individual provider in the NPPES registry on October 30, 2014.

Where is Mary Lynn Mcdermott located?

Mary Lynn Mcdermott practices at 181 Main St Ste 501, Huntington, NY 11743. The listed phone number is (631) 804-4396.

What is Mary Lynn Mcdermott's specialty?

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

Is Mary Lynn Mcdermott enrolled in Medicare?

No. Mary Lynn Mcdermott has opted out of Medicare through November 11, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mary Lynn Mcdermott was last updated on January 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.