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STEVEN MARC LESIEUR LMFT
NPI 1306542808
Marriage & Family Therapist in Los Angeles, CA

Active since February 06, 2023PECOS Enrolled
2400 S ST ANDREWS PL, LOS ANGELES, CA 90018(657) 845-1140 Get Directions Write a Review

NPPES record last updated: February 6, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Steven Marc Lesieur Lmft NPPES

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

STEVEN MARC LESIEUR LMFT (NPI 1306542808) is an individual marriage & family therapist in Los Angeles, California, licensed in California (133664) and active in the NPI registry since February 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1306542808
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameSTEVEN MARC LESIEURCredential: LMFT
Location Address2400 S ST ANDREWS PLLos Angeles, CA 90018-2042
Mailing Address17 Cambria St Apt 2Somerville, MA 02143-1501 · (657) 845-1140
Phone(657) 845-1140
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 6, 2023
NPPES CertifiedFebruary 6, 2023
✔ NPI 1306542808 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 · 133664
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.
2400 S ST ANDREWS PL, Los Angeles, CA 90018
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Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven Marc Lesieur Lmft is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6507206174
PECOS Enrollment IDI20251202003563
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 Reassignments

2

Medicare enrollment records show Steven Lesieur reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Grow Healthcare Group PC
304 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385
Grow Healthcare Group PA
2,343 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Massachusetts and Oregon enrollments
  • 522 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711

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

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 Steven Lesieur's NPI number?

The NPI number for Steven Lesieur is 1306542808. It was assigned to this individual provider in the NPPES registry on February 6, 2023.

Where is Steven Lesieur located?

Steven Lesieur practices at 2400 S St Andrews Pl, Los Angeles, CA 90018. The listed phone number is (657) 845-1140.

What is Steven Lesieur's specialty?

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

Is Steven Lesieur enrolled in Medicare?

Yes. Steven Lesieur is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Steven Lesieur's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Lesieur reassigns Medicare benefits to 2 organizations: Grow Healthcare Group PC (San Jose, CA) and Grow Healthcare Group PA (Miami, FL). Each 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 Steven Lesieur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Steven Lesieur accept?

Health plans from Anthem Blue Cross and Blue Shield, BridgeSpan Health Company, Harvard Pilgrim Health Care and Regence BlueCross BlueShield of Oregon list Steven Lesieur 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 Steven Lesieur was last updated on February 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.