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

LUCY E MARRERO MFT
NPI 1154688570
Marriage & Family Therapist in Westlake Village, CA

Active since April 23, 2012PECOS Enrolled
5743 CORSA AVE STE 112, WESTLAKE VILLAGE, CA 91362(805) 905-5980 Get Directions Write a Review

NPPES record last updated: September 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 7, 2026, Mar 31, 2026 (2 updates tracked since 2026).

About Lucy E Marrero Mft NPPES

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

LUCY E MARRERO MFT (NPI 1154688570) is an individual marriage & family therapist in Westlake Village, California, licensed in California (90871) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1154688570
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameLUCY E MARREROCredential: MFT
Location Address5743 CORSA AVE STE 112Westlake Village, CA 91362-6441
Mailing Address5743 Corsa Ave Ste 112Westlake Village, CA 91362-6441 · (805) 905-5980
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateApril 23, 2012
Last NPPES UpdateSeptember 7, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 7, 2026
✔ NPI 1154688570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 90871
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
5743 CORSA AVE STE 112, Westlake Village, CA 91362

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lucy E Marrero Mft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153890983
PECOS Enrollment IDI20260520004325
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 Lucy Marrero reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
3002 WHITTIER BLVD
Los Angeles, CA 90023
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group

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 9

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

Clinic/Center (Primary Care)
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Nurse Practitioner (Family)
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Marriage & Family Therapist
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Counselor (Professional)
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Marriage & Family Therapist
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Counselor (Mental Health)
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Marriage & Family Therapist
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362
Counselor (Mental Health)
5743 CORSA AVE STE 112
WESTLAKE VILLAGE, CA 91362

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 Lucy Marrero's NPI number?

The NPI number for Lucy Marrero is 1154688570. It was assigned to this individual provider in the NPPES registry on April 23, 2012.

Where is Lucy Marrero located?

Lucy Marrero practices at 5743 Corsa Ave Ste 112, Westlake Village, CA 91362. The listed phone number is (805) 905-5980.

What is Lucy Marrero's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Lucy Marrero enrolled in Medicare?

Yes. Lucy Marrero is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lucy Marrero's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lucy Marrero reassigns Medicare benefits to Wea Ca PC (Los Angeles, CA). 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 Lucy Marrero's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lucy Marrero was last updated on September 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.