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

LYNNE MATHEWS MARRELLO
NPI 1225960347
Social Worker - Clinical in Catonsville, MD

Active since June 02, 2026
55 WADE AVE, CATONSVILLE, MD 21228(410) 402-7935 Get Directions Write a Review

NPPES record added: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lynne Mathews Marrello NPPES

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

LYNNE MATHEWS MARRELLO (NPI 1225960347) is an individual clinical provider in Catonsville, Maryland, licensed in Maryland (11159) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1225960347
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLYNNE MATHEWS MARRELLO
Location Address55 WADE AVECatonsville, MD 21228-4663
Mailing AddressPo Box 21247Baltimore, MD 21228-0747 · (410) 402-7935
Sole ProprietorNo
Enumeration DateJune 2, 2026
NPPES CertifiedJune 2, 2026
NPI 1225960347 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 MD · 11159
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.
55 WADE AVE, Catonsville, MD 21228

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.

Pharmacist (Psychiatric)
55 WADE AVE
CATONSVILLE, MD 21228
Psychiatry & Neurology (Psychiatry)
55 WADE AVE
CATONSVILLE, MD 21228
Internal Medicine
55 WADE AVE
CATONSVILLE, MD 21228
Psychiatry & Neurology (Psychiatry)
55 WADE AVE
CATONSVILLE, MD 21228
Registered Nurse (Psychiatric/Mental Health, Adult)
55 WADE AVE
CATONSVILLE, MD 21228
Occupational Therapist
55 WADE AVE
BALTIMORE, MD 21228
Psychologist
55 WADE AVE
CATONSVILLE, MD 21228
Psychiatry & Neurology (Psychiatry)
55 WADE AVE
CATONSVILLE, MD 21228

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 Lynne Marrello's NPI number?

The NPI number for Lynne Marrello is 1225960347. It was assigned to this individual provider in the NPPES registry on June 2, 2026.

Where is Lynne Marrello located?

Lynne Marrello practices at 55 Wade Ave, Catonsville, MD 21228. The listed phone number is (410) 402-7935.

What is Lynne Marrello'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 Lynne Marrello was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.