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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HAYLEY SIEGEL
NPI 1992171557
Social Worker - Clinical in East Boston, MA

Active since August 18, 2015PECOS EnrolledAccepts Medicare Assignment
31 MONMOUTH ST # 4, EAST BOSTON, MA 02128(617) 817-8915 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Hayley Siegel NPPES

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

HAYLEY SIEGEL (NPI 1992171557) is an individual clinical provider in East Boston, Massachusetts, licensed in Massachusetts (121735) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1992171557
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameHAYLEY SIEGEL
Location Address31 MONMOUTH ST # 4East Boston, MA 02128-1307
Mailing Address31 Monmouth St # 4East Boston, MA 02128-1307 · (617) 817-8915
Phone(617) 817-8915
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateAugust 18, 2015
Last NPPES UpdateJuly 7, 2026
NPPES CertifiedJuly 7, 2026
✔ NPI 1992171557 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 MA · 121735
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.
31 MONMOUTH ST # 4, East Boston, MA 02128
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hayley Siegel 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 ID7911318837
PECOS Enrollment IDI20201125002521
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 02128 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 $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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

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

HEALING WITH HAYLEY, LLC
Social Worker (Clinical)
31 MONMOUTH ST # 4
EAST BOSTON, MA 02128
Suffolk County (617) 817-8915

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 Hayley Siegel's NPI number?

The NPI number for Hayley Siegel is 1992171557. It was assigned to this individual provider in the NPPES registry on August 18, 2015.

Where is Hayley Siegel located?

Hayley Siegel practices at 31 Monmouth St # 4, East Boston, MA 02128. The listed phone number is (617) 817-8915.

What is Hayley Siegel's specialty?

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

Is Hayley Siegel enrolled in Medicare?

Yes. Hayley Siegel 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.

What insurance does Hayley Siegel accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Hayley 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 Hayley Siegel was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 days 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.