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ALYSSA MAREIRO
NPI 1043021488
Social Worker - Clinical in Boston, MA

Active since January 15, 2025PECOS Enrolled
155 GENEVA AVE, BOSTON, MA 02121(617) 892-8821 Get Directions Write a Review

NPPES record last updated: January 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Alyssa Mareiro NPPES

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

ALYSSA MAREIRO (NPI 1043021488) is an individual clinical provider in Boston, Massachusetts and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1043021488
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameALYSSA MAREIRO
Location Address155 GENEVA AVEBoston, MA 02121-3157
Mailing Address31 Swallow St # 1Boston, MA 02127-3212
Phone(617) 892-8821
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 15, 2025
NPPES CertifiedJanuary 15, 2025
✔ NPI 1043021488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
155 GENEVA AVE, Boston, MA 02121
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alyssa Mareiro is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7517436561
PECOS Enrollment IDI20260519002921
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 02121 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.

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 Alyssa Mareiro's NPI number?

The NPI number for Alyssa Mareiro is 1043021488. It was assigned to this individual provider in the NPPES registry on January 15, 2025.

Where is Alyssa Mareiro located?

Alyssa Mareiro practices at 155 Geneva Ave, Boston, MA 02121. The listed phone number is (617) 892-8821.

What is Alyssa Mareiro's specialty?

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

Is Alyssa Mareiro enrolled in Medicare?

Yes. Alyssa Mareiro is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Mareiro was last updated on January 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.