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ALEXANDRA GRACE HARTNETT LCSW
NPI 1366119976
Social Worker - Clinical in Boston, MA

Active since August 23, 2021PECOS Enrolled
1 EMERSON PL, BOSTON, MA 02114(617) 379-0496 Get Directions Write a Review

NPPES record last updated: November 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2024, Aug 31, 2022, Aug 24, 2022 and 1 more (4 updates tracked since 2021).

About Alexandra Grace Hartnett Lcsw NPPES

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

ALEXANDRA GRACE HARTNETT LCSW (NPI 1366119976) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (LICSW1120190) and active in the NPI registry since August 2021. The provider is enrolled in Medicare PECOS and maintains a secondary practice location in Framingham.

NPPES Registry Identity

NPI1366119976
Entity TypeIndividual
Primary Taxonomy1041C0700X
Provider Legal NameALEXANDRA GRACE HARTNETTCredential: LCSW
Location Address1 EMERSON PLBoston, MA 02114-2252
Mailing Address189 Lowell StSomerville, MA 02144-2629 · (407) 497-9819
Phone(617) 379-0496
Sole ProprietorNo
Enumeration DateAugust 23, 2021
Last NPPES UpdateNovember 12, 20244 updates tracked since enumeration
NPPES CertifiedNovember 12, 2024
✔ NPI 1366119976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · LICSW1120190
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.
Also ListedSocial WorkerTaxonomy 104100000X · License 228374 (MA)
1 EMERSON PL, Boston, MA 02114
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Secondary Practice Location 1

Location 11 Frederick Abbott WayFramingham, MA 01701-7992 · Phone (508) 270-1233

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexandra Grace Hartnett 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 Alexandra Hartnett reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Thrive Counseling LLC
548 mi
Mental Health
1000 JEFFERSON ST STE 2C
Lynchburg, VA 24504
  • Reassigned Medicare billing, Massachusetts enrollment
  • 250 clinicians in this Medicare group
NPI 1215181300 (855) 284-7483

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 02114 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 3

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

MS. KAREN ANNE KINNAMAN
Emergency Medicine
1 EMERSON PL, APT 14N
BOSTON, MA 02114
Suffolk County (617) 732-5500
NAMYA BHUTANI
Counselor (Mental Health)
1 EMERSON PL
BOSTON, MA 02114
Suffolk County (515) 715-2612
HERDINE CHERIDOR LCSW
Social Worker (Clinical)
1 EMERSON PL
BOSTON, MA 02114
Suffolk County (617) 420-1917

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 Alexandra Hartnett's NPI number?

The NPI number for Alexandra Hartnett is 1366119976. It was assigned to this individual provider in the NPPES registry on August 23, 2021.

Where is Alexandra Hartnett located?

Alexandra Hartnett practices at 1 Emerson Pl, Boston, MA 02114. The listed phone number is (617) 379-0496.

What is Alexandra Hartnett's specialty?

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

Is Alexandra Hartnett enrolled in Medicare?

Yes. Alexandra Hartnett is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexandra Hartnett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Hartnett reassigns Medicare benefits to Thrive Counseling LLC (Lynchburg, VA). 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 Alexandra Hartnett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Hartnett accept?

Health plans from Harvard Pilgrim Health Care list Alexandra Hartnett 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 Alexandra Hartnett was last updated on November 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.