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MS. DEIRDRE DE LEO MA, LCSW
NPI 1346199692
Social Worker - Clinical in New York, NY

Active since January 28, 2026PECOS Enrolled
220 E 42ND ST FL 6, 6TH FLOOR, NEW YORK, NY 10017(718) 888-6796 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Deirdre De Leo Ma, Lcsw NPPES

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

MS. DEIRDRE DE LEO MA, LCSW (NPI 1346199692) is an individual clinical provider in New York, New York, licensed in New York (73-076584) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1346199692
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. DEIRDRE DE LEOCredential: MA, LCSW
Location Address220 E 42ND ST FL 6, 6TH FLOORNew York, NY 10017-5831
Mailing Address220 E 42nd St Fl 6New York, NY 10017-5831 · (917) 923-7399
Phone(718) 888-6796
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 28, 2026
NPPES CertifiedJanuary 28, 2026
✔ NPI 1346199692 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 NY · 73-076584
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.
220 E 42ND ST FL 6, New York, NY 10017
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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)

Ms. Deirdre De Leo Ma, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5294294112
PECOS Enrollment IDI20260831001441
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 Deirdre De Leo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vns Health Behavioral Health Inc.
5.7 mi
Community/Behavioral Health
489 E 153RD ST
Bronx, NY 10455
  • Reassigned Medicare billing, New York enrollment
  • 8 clinicians in this Medicare group
NPI 1487426938 (212) 609-1535

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 10017 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 $65.69 – $198.19
Typical copayment $0.00 (range $16.42 – $49.54)
Most-billed visit code NA
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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.

REBECCA MUGUETTE MILLER MARTINEZ
Registered Nurse
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (800) 675-0391
JUANITO VARGAS LCSW
Social Worker (Clinical)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (917) 502-0716
DR. SAMUEL WEISBLATT M.D.
Psychiatry & Neurology (Hospice and Palliative Medicine)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (212) 609-1920
ERIK RANDAL PHILLIPS
Social Worker
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (646) 832-9390
SAMANTHA WARMINGHAM LCSW
Social Worker (Clinical)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (800) 675-0391
SUZETTE TOUSSAINT
Counselor (Mental Health)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (212) 609-4101
CESAR ACOSTA
Counselor (Mental Health)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (917) 583-8833
ELIYAHU ORLOFSKY LCSW
Counselor (Mental Health)
220 E 42ND ST FL 6
NEW YORK, NY 10017
New York County (917) 538-8833

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 Deirdre De Leo's NPI number?

The NPI number for Deirdre De Leo is 1346199692. It was assigned to this individual provider in the NPPES registry on January 28, 2026.

Where is Deirdre De Leo located?

Deirdre De Leo practices at 220 E 42nd St Fl 6 6th Floor, New York, NY 10017. The listed phone number is (718) 888-6796.

What is Deirdre De Leo's specialty?

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

Is Deirdre De Leo enrolled in Medicare?

Yes. Deirdre De Leo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Deirdre De Leo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre De Leo reassigns Medicare benefits to Vns Health Behavioral Health Inc. (Bronx, NY). 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 Deirdre De Leo'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 Deirdre De Leo was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.