MS. LILLIAN ENGELSON LCSW
NPI 1790851186
Social Worker - Clinical in Suffern, NY

Active since November 28, 2006PECOS EnrolledAccepts Medicare Assignment
64 BON AIRE CIRCLE, P1, SUFFERN, NY 10901(917) 972-7138(718) 346-6747 Get Directions Write a Review

NPPES record last updated: May 17, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Lillian Engelson Lcsw NPPES

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

MS. LILLIAN ENGELSON LCSW (NPI 1790851186) is an individual clinical provider in Suffern, New York, licensed in New York (R059958) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1790851186
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. LILLIAN ENGELSONCredential: LCSW
Location Address64 BON AIRE CIRCLE, P1Suffern, NY 10901
Mailing Address64 Bon Aire Circle, P1Suffern, NY 10901 · (917) 972-7138
Fax(718) 346-6747
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateNovember 28, 2006
Last NPPES UpdateMay 17, 2018
✔ NPI 1790851186 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 · R059958
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.
64 BON AIRE CIRCLE, P1, Suffern, NY 10901

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Lillian Engelson Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628293826
PECOS Enrollment IDI20140701002628
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 Lillian Engelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
530 1ST AVE
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • 616 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10901 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.

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 Lillian Engelson's NPI number?

The NPI number for Lillian Engelson is 1790851186. It was assigned to this individual provider in the NPPES registry on November 28, 2006.

Where is Lillian Engelson located?

Lillian Engelson practices at 64 Bon Aire Circle, P1, Suffern, NY 10901. The listed phone number is (917) 972-7138.

What is Lillian Engelson's specialty?

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

Is Lillian Engelson enrolled in Medicare?

Yes. Lillian Engelson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lillian Engelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Engelson reassigns Medicare benefits to Nyu Langone Hospitals (New York, 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 Lillian Engelson'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 Lillian Engelson was last updated on May 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.