Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LAUREN ALICIA MAST LCSW
NPI 1699514844
Social Worker - Clinical in Lititz, PA

Active since May 20, 2024
510 E MAIN ST, LITITZ, PA 17543(717) 405-0343 Get Directions Write a Review

NPPES record last updated: October 23, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Lauren Alicia Mast Lcsw NPPES

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

LAUREN ALICIA MAST LCSW (NPI 1699514844) is an individual clinical provider in Lititz, Pennsylvania, licensed in Pennsylvania (CW024731) and active in the NPI registry since May 2024.

NPPES Registry Identity

NPI1699514844
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLAUREN ALICIA MASTCredential: LCSW
Location Address510 E MAIN STLititz, PA 17543-2140
Mailing Address8 Broad St FrntEphrata, PA 17522-2287 · (717) 283-3440
Sole ProprietorNo
Enumeration DateMay 20, 2024
Last NPPES UpdateOctober 23, 2026
NPPES CertifiedOctober 23, 2026
✔ NPI 1699514844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in PA · CW024731
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
510 E MAIN ST, Lititz, PA 17543

Other Providers at the Same Location NPPES 13

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

Counselor (Mental Health)
510 E MAIN ST
LITITZ, PA 17543
Social Worker
510 E MAIN ST
LITITZ, PA 17543
Counselor (Mental Health)
510 E MAIN ST
LITITZ, PA 17543
Counselor
510 E MAIN ST
LITITZ, PA 17543
Counselor (Mental Health)
510 E MAIN ST
LITITZ, PA 17543
Counselor
510 E MAIN ST
LITITZ, PA 17543
Counselor (Professional)
510 E MAIN ST
LITITZ, PA 17543
Social Worker (Clinical)
510 E MAIN ST
LITITZ, PA 17543

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 Lauren Mast's NPI number?

The NPI number for Lauren Mast is 1699514844. It was assigned to this individual provider in the NPPES registry on May 20, 2024.

Where is Lauren Mast located?

Lauren Mast practices at 510 E Main St, Lititz, PA 17543. The listed phone number is (717) 405-0343.

What is Lauren Mast's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Lauren Mast was last updated on October 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.