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MATTHEW LANDRIEU
NPI 1649915596
Social Worker - Clinical in Washington, DC

Active since May 04, 2022PECOS Enrolled
2333 ONTARIO RD NW, WASHINGTON, DC 20009(202) 483-8196 Get Directions Write a Review

NPPES record last updated: November 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 19, 2024, May 4, 2022 (2 updates tracked since 2022).

About Matthew Landrieu NPPES

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

MATTHEW LANDRIEU (NPI 1649915596) is an individual clinical provider in Washington, District Of Columbia, licensed in District Of Columbia (LC200003511) and active in the NPI registry since May 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649915596
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMATTHEW LANDRIEU
Location Address2333 ONTARIO RD NWWashington, DC 20009-2627
Mailing Address2333 Ontario Rd NwWashington, DC 20009-2627 · (202) 483-8196
Phone(202) 483-8196
Sole ProprietorNo
Enumeration DateMay 4, 2022
Last NPPES UpdateNovember 19, 20242 updates tracked since enumeration
NPPES CertifiedNovember 19, 2024
✔ NPI 1649915596 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 DC · LC200003511
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.
2333 ONTARIO RD NW, Washington, DC 20009
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Landrieu is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Matthew Landrieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mary's Center For Maternal And Child Care, Inc
Same address
Federally Qualified Health Center (FQHC)
2333 ONTARIO RD. NW
Washington, DC 20009
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Marys Center For Maternal And Child Care Inc
  • 175 clinicians in this Medicare group
NPI 1962520288 (202) 483-8196

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20009 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $65.18 – $194.86
Typical copayment $0.00 (range $16.29 – $48.71)
Most-billed visit code NA
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JOANNA ESTHER RIVERA-SANTANA RN
Registered Nurse (Community Health)
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 483-8196
DR. ESTELA M. GONZALEZ MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 420-7121
MARY'S CENTER FOR MATERNAL & CHILD CARE, INC
Specialist
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 483-8196
CHRISTINA M HOEHNER
Social Worker
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 235-1900
MARY'S CENTER FOR MATERNAL & CHILD CARE, INC
Dentist (Dental Public Health)
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 483-8196
GABRIELA SANTAMARIA CPNP-PC, IBCLC
Nurse Practitioner (Pediatrics)
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 483-8196
ABIGAIL WILLIAMS LGSW
Social Worker
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 483-8196
MS. CARLA CECILIA CORNEJO RDH
Dental Hygienist
2333 ONTARIO RD NW
WASHINGTON, DC 20009
District of Columbia (202) 545-8023

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 Matthew Landrieu's NPI number?

The NPI number for Matthew Landrieu is 1649915596. It was assigned to this individual provider in the NPPES registry on May 4, 2022.

Where is Matthew Landrieu located?

Matthew Landrieu practices at 2333 Ontario Rd NW, Washington, DC 20009. The listed phone number is (202) 483-8196.

What is Matthew Landrieu's specialty?

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

Is Matthew Landrieu enrolled in Medicare?

Yes. Matthew Landrieu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Matthew Landrieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Landrieu reassigns Medicare benefits to Mary's Center For Maternal And Child Care, Inc (Washington, DC). 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 Matthew Landrieu'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 Matthew Landrieu was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.