HAYLEY SIEGEL
NPI 1992171557
Social Worker - Clinical in East Boston, MA
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
Specialties & Licenses
Accepted Insurance
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
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.
Medicare Billing Reassignment
Medicare enrollment records show Hayley Siegel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norwood, MA 02062
- Reassigned Medicare billing, Massachusetts enrollment
- 349 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 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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.
Which organization bills Medicare for Hayley Siegel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hayley Siegel reassigns Medicare benefits to Child And Family Psychological Services, PLLC (Norwood, MA). 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 Hayley Siegel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hayley Siegel accept?
Health plans from Harvard Pilgrim Health Care and Taro Health 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 3 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.
# Hayley Siegel · NPI 1992171557
Clinical provider in East Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 18, 2015.
## Identity
- **NPI:** 1992171557 (Entity type: Individual)
- **Enumerated:** August 18, 2015
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 121735 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 31 MONMOUTH ST # 4, East Boston, MA 02128-1307
- **Phone:** (617) 817-8915
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Child And Family Psychological Services, PLLC (NPI 1912987181, Norwood, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1992171557) · Data from the CMS NPPES public registry.