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MELISSA SIEGEL LCSW
NPI 1700446499
Social Worker - Clinical in Plainview, NY

Active since June 16, 2019PECOS Enrolled
1120 OLD COUNTRY RD STE 305, PLAINVIEW, NY 11803(516) 469-3495 Get Directions Write a Review

NPPES record last updated: March 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 21, 2023, Jun 16, 2019 (2 updates tracked since 2019).

About Melissa Siegel Lcsw NPPES

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

MELISSA SIEGEL LCSW (NPI 1700446499) is an individual clinical provider in Plainview, New York, licensed in New York (087829) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700446499
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELISSA SIEGELCredential: LCSW
Location Address1120 OLD COUNTRY RD STE 305Plainview, NY 11803-5021
Mailing Address1621 Jefferson AveWest Islip, NY 11795-1714
Phone(516) 469-3495
Sole ProprietorYes
Enumeration DateJune 16, 2019
Last NPPES UpdateMarch 21, 20232 updates tracked since enumeration
NPPES CertifiedMarch 21, 2023
✔ NPI 1700446499 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 · 087829
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.
1120 OLD COUNTRY RD STE 305, Plainview, NY 11803
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa Siegel 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.

Medicare Billing Reassignment

Medicare enrollment records show Melissa Siegel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Brittni Traina, Lcsw, PLLC
31 mi
Clinical
424 STARLIGHT DR
East Yaphank, NY 11967
  • Reassigned Medicare billing, New York enrollment
  • 13 clinicians in this Medicare group
NPI 1083335509 (631) 379-5637

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 11803 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 Melissa Siegel's NPI number?

The NPI number for Melissa Siegel is 1700446499. It was assigned to this individual provider in the NPPES registry on June 16, 2019.

Where is Melissa Siegel located?

Melissa Siegel practices at 1120 Old Country Rd Ste 305, Plainview, NY 11803. The listed phone number is (516) 469-3495.

What is Melissa Siegel's specialty?

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

Is Melissa Siegel enrolled in Medicare?

Yes. Melissa Siegel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Siegel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Siegel reassigns Medicare benefits to Brittni Traina, Lcsw, PLLC (East Yaphank, 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 Melissa Siegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Siegel accept?

Health plans from Oscar Health list Melissa Siegel 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 Melissa Siegel was last updated on March 21, 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.