Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARY A MARCHANT LMFT, LMHC
NPI 1699763839
Counselor - Mental Health in Norwell, MA

Active since October 12, 2005Opted out of Medicare · through Nov 15, 2026
148 WASHINGTON ST, NORWELL, MA 02061(781) 878-6505 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Mary A Marchant Lmft, Lmhc NPPES

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

MARY A MARCHANT LMFT, LMHC (NPI 1699763839) is an individual mental health provider in Norwell, Massachusetts, licensed in Massachusetts (5270) and active in the NPI registry since October 2005. She has opted out of Medicare through November 15, 2026.

NPPES Registry Identity

NPI1699763839
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARY A MARCHANTCredential: LMFT, LMHC
Location Address148 WASHINGTON STNorwell, MA 02061-1753
Mailing Address67 Beaver LnAbington, MA 02351-1225 · (781) 878-8925
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1699763839 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in MA · 5270
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License 1264 (MA)
148 WASHINGTON ST, Norwell, MA 02061

Accepted Insurance

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 A Marchant Lmft, Lmhc 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 15, 2024 through November 15, 2026.

Opt-Out Effective DateNovember 15, 2024
Opt-Out In Effect ThroughNovember 15, 2026Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 3

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

Clinic/Center (Emergency Care)
148 WASHINGTON ST
NORWELL, MA 02061
Counselor (Mental Health)
148 WASHINGTON ST
NORWELL, MA 02061
Psychiatry & Neurology (Psychiatry)
148 WASHINGTON ST
NORWELL, MA 02061

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 Marchant's NPI number?

The NPI number for Mary Marchant is 1699763839. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Mary Marchant located?

Mary Marchant practices at 148 Washington St, Norwell, MA 02061. The listed phone number is (781) 878-6505.

What is Mary Marchant's specialty?

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

Is Mary Marchant enrolled in Medicare?

No. Mary Marchant has opted out of Medicare through November 15, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

What insurance does Mary Marchant accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Marchant as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Marchant was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.