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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARIALAYNA FINN LCSW
NPI 1811802630
Counselor - Mental Health in Lexington, MA

Active since August 17, 2026
125 HARTWELL AVE, LEXINGTON, MA 02421(781) 861-0890 Get Directions Write a Review

NPPES record added: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Marialayna Finn Lcsw NPPES

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

MARIALAYNA FINN LCSW (NPI 1811802630) is an individual mental health provider in Lexington, Massachusetts and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1811802630
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMARIALAYNA FINNCredential: LCSW
Location Address125 HARTWELL AVELexington, MA 02421-3100
Mailing Address897 Amesbury RdHaverhill, MA 01830-1708 · Fax (978) 408-9214
Phone(781) 861-0890
Sole ProprietorYes
Enumeration DateAugust 17, 2026
NPPES CertifiedAugust 17, 2026
✔ NPI 1811802630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
125 HARTWELL AVE, Lexington, MA 02421
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Other Providers at the Same Location NPPES 20

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

ANGELIKI CONSTANTINE
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
EMMA CLAY RN
Nurse Practitioner (Psychiatric/Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
KATE MCGRATH
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
SARAH ALISON VALENTINE
Community Health Worker
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
COLLEEN DYKSTRA
Community Health Worker
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
MADELINE ELIZABETH ELLIS
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
GRACE WILLINGHAM
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890
MADLYNA BOUCHOTTE
Counselor (Mental Health)
125 HARTWELL AVE
LEXINGTON, MA 02421
Middlesex County (781) 861-0890

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 Marialayna Finn's NPI number?

The NPI number for Marialayna Finn is 1811802630. It was assigned to this individual provider in the NPPES registry on August 17, 2026.

Where is Marialayna Finn located?

Marialayna Finn practices at 125 Hartwell Ave, Lexington, MA 02421. The listed phone number is (781) 861-0890.

What is Marialayna Finn'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 Marialayna Finn was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.