EMILY MAJSAK LCSW
NPI 1629520168
Social Worker in Lowell, MA

Q: What is Emily Majsak's NPI number?

The NPI number for Emily Majsak is 1629520168. It was assigned to this individual provider in the NPPES registry on November 1, 2016.

Q: What is Emily Majsak's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Emily Majsak was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.

Active since November 01, 2016PECOS Enrolled

40 CHURCH ST, LOWELL, MA 01852(617) 963-6620 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 31, 2022, Sep 14, 2021, Nov 1, 2016 (3 updates tracked since 2016).

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About Emily Majsak Lcsw NPPES

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

EMILY MAJSAK LCSW (NPI 1629520168) is an individual social worker in Lowell, Massachusetts, licensed in Massachusetts (228229) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1629520168

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameEMILY MAJSAKCredential: LCSW

Location Address40 CHURCH STLowell, MA 01852-6113

Mailing Address40 Church StLowell, MA 01852-6113 · (617) 963-6620

Phone(617) 963-6620

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateNovember 1, 2016

Last NPPES UpdateFebruary 11, 20263 updates tracked since enumeration

NPPES CertifiedFebruary 11, 2026

✔ NPI 1629520168 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 MA · 228229

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 ListedCounselor · Mental HealthTaxonomy 101YM0800X

40 CHURCH ST, Lowell, MA 01852

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Secondary Practice Locations 3

Location 141 Mall RdBurlington, MA 01805-0001 · Phone (781) 744-8000

Location 226 Parkridge RdHaverhill, MA 01835-8514 · Phone (374) 041-4978

Location 335 Congress St, Suite 214Salem, MA 01970-5529 · Phone (978) 542-1951

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Emily Majsak Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7810474079

PECOS Enrollment IDI20260120002662

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Emily Majsak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lahey Clinic, Inc.

11 mi

Internal Medicine

41 MALL RD, LAHEY CLINIC
Burlington, MA 01805

Reassigned Medicare billing, Massachusetts enrollment
Also billed through NPI 1063447316 (Massachusetts)
1,574 clinicians in this Medicare group

NPI 1538194980 (781) 744-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

NAYOMI JULIETTE DE JESUS - GONZALEZ

Social Worker

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (978) 674-6744

JAYSON VINCENT LARIVIERE

Counselor

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (617) 441-1800

TAYLOR NOJEIM

Counselor (Mental Health)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (978) 674-6744

HALIMAT A SOETAN

Psychologist (Clinical Child & Adolescent)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (774) 417-7473

ALANNA TAYLOR LPN

Registered Nurse (Psychiatric/Mental Health)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (978) 761-2122

MS. SARAH REBECCA GILLIS M.ED

Counselor (Mental Health)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (781) 771-6288

MITCHELL MYLES KRIGEST

Social Worker (Clinical)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (617) 308-1231

MARGARET ELIZABETH CHASE LMHC

Counselor (Mental Health)

40 CHURCH ST
LOWELL, MA 01852

Middlesex County (617) 507-9476

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 Emily Majsak's NPI number?

The NPI number for Emily Majsak is 1629520168. It was assigned to this individual provider in the NPPES registry on November 1, 2016.

Where is Emily Majsak located?

Emily Majsak practices at 40 Church St, Lowell, MA 01852. The listed phone number is (617) 963-6620.

What is Emily Majsak's specialty?

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

Is Emily Majsak enrolled in Medicare?

Yes. Emily Majsak is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Emily Majsak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Majsak reassigns Medicare benefits to Lahey Clinic, Inc. (Burlington, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Emily Majsak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Emily Majsak accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Emily Majsak 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 Emily Majsak was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.