1. Home
  2. Directory
  3. New York
  4. Mamaroneck
  5. Social Worker
  6. NPI Profile

LESLIE PENA-SULLIVAN LCSW
NPI 1639459944
Social Worker - Clinical in Mamaroneck, NY

Active since August 18, 2011PECOS Enrolled
234 STANLEY AVE, MAMARONECK, NY 10543(914) 239-3006 Get Directions Write a Review

NPPES record last updated: June 17, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 17, 2019, Jun 16, 2019, Jul 15, 2016 (3 updates tracked since 2016).

About Leslie Pena-sullivan Lcsw NPPES

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

LESLIE PENA-SULLIVAN LCSW (NPI 1639459944) is an individual clinical provider in Mamaroneck, New York, licensed in New York (081857) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Mamaroneck.

NPPES Registry Identity

NPI1639459944
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameLESLIE PENA-SULLIVANCredential: LCSW
Location Address234 STANLEY AVEMamaroneck, NY 10543-2530
Mailing Address234 Stanley AveMamaroneck, NY 10543-2530
Phone(914) 239-3006
Sole ProprietorYes
Enumeration DateAugust 18, 2011
Last NPPES UpdateJune 17, 20193 updates tracked since enumeration
✔ NPI 1639459944 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 · 081857
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.
234 STANLEY AVE, Mamaroneck, NY 10543
Open in Google Maps ↗

Secondary Practice Location 1

Location 1910 E Boston Post RdMamaroneck, NY 10543-4153 · Phone (646) 725-5504

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslie Pena-sullivan Lcsw 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10543 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 $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 3

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

DR. KATHARINE SAWYER PH.D.
Psychologist (Clinical)
234 STANLEY AVE
MAMARONECK, NY 10543
Westchester County (914) 629-3064
AMY AUGUSTA PEET-PACE
Social Worker (Clinical)
234 STANLEY AVE
MAMARONECK, NY 10543
Westchester County (914) 420-6236
CHRISTINA GRIMES GRIMES LCSW
Social Worker (Clinical)
234 STANLEY AVE
MAMARONECK, NY 10543
Westchester County (914) 629-0854

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 Leslie Pena-sullivan's NPI number?

The NPI number for Leslie Pena-sullivan is 1639459944. It was assigned to this individual provider in the NPPES registry on August 18, 2011.

Where is Leslie Pena-sullivan located?

Leslie Pena-sullivan practices at 234 Stanley Ave, Mamaroneck, NY 10543. The listed phone number is (914) 239-3006.

What is Leslie Pena-sullivan's specialty?

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

Is Leslie Pena-sullivan enrolled in Medicare?

Yes. Leslie Pena-sullivan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leslie Pena-sullivan was last updated on June 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.