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KRISTEN SUSANNE GAHERTY LICSW
NPI 1750837894
Social Worker - Clinical in Waltham, MA

Active since August 29, 2016Opted out of Medicare · through Jun 2, 2028
38 NEWTON ST, WALTHAM, MA 02453(860) 866-8040 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 5, 2025, Apr 29, 2021, Aug 29, 2016 (3 updates tracked since 2016).

About Kristen Susanne Gaherty Licsw NPPES

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

KRISTEN SUSANNE GAHERTY LICSW (NPI 1750837894) is an individual clinical provider in Waltham, Massachusetts, licensed in Massachusetts (122929) and active in the NPI registry since August 2016. She has opted out of Medicare through June 2, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1750837894
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKRISTEN SUSANNE GAHERTYCredential: LICSW
Location Address38 NEWTON STWaltham, MA 02453-6025
Mailing Address38 Newton StWaltham, MA 02453-6025
Phone(860) 866-8040
Sole ProprietorNo
Enumeration DateAugust 29, 2016
Last NPPES UpdateAugust 5, 20253 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1750837894 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 · 122929
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.
38 NEWTON ST, Waltham, MA 02453
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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Kristen Susanne Gaherty Licsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from June 2, 2026 through June 2, 2028.

Opt-Out Effective DateJune 2, 2026
Opt-Out In Effect ThroughJune 2, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02453 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.

CREATIVE WELLNESS COUNSELING, LLC
Social Worker (Clinical)
38 NEWTON ST
WALTHAM, MA 02453
Middlesex County (781) 541-1515

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 Kristen Gaherty's NPI number?

The NPI number for Kristen Gaherty is 1750837894. It was assigned to this individual provider in the NPPES registry on August 29, 2016.

Where is Kristen Gaherty located?

Kristen Gaherty practices at 38 Newton St, Waltham, MA 02453. The listed phone number is (860) 866-8040.

What is Kristen Gaherty's specialty?

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

Is Kristen Gaherty enrolled in Medicare?

No. Kristen Gaherty has opted out of Medicare through June 2, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Kristen Gaherty accept?

Health plans from Harvard Pilgrim Health Care list Kristen Gaherty 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 Kristen Gaherty was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.