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JULIA VALIN NISS LICSW
NPI 1801011002
Social Worker - Clinical in Wilmington, MA

Active since April 16, 2007PECOS Enrolled
226 LOWELL ST STE B7, WILMINGTON, MA 01887(781) 208-0558(781) 208-0558 Get Directions Write a Review

NPPES record last updated: April 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Julia Valin Niss Licsw NPPES

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

JULIA VALIN NISS LICSW (NPI 1801011002) is an individual clinical provider in Wilmington, Massachusetts, licensed in Massachusetts (114470) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801011002
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJULIA VALIN NISSCredential: LICSW
Location Address226 LOWELL ST STE B7Wilmington, MA 01887-3073
Mailing Address226 Lowell St Ste B7Wilmington, MA 01887-3073 · (781) 208-0558 · Fax (781) 208-0558
Phone(781) 208-0558
Fax(781) 208-0558
Sole ProprietorYes
Enumeration DateApril 16, 2007
Last NPPES UpdateApril 19, 2026
NPPES CertifiedApril 19, 2026
✔ NPI 1801011002 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 · 114470
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.
226 LOWELL ST STE B7, Wilmington, MA 01887
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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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Valin Niss Licsw 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 Reassignments

2

Medicare enrollment records show Julia Niss reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hallmark Health Medical Associates Inc
8.1 mi
Family Medicine
170 GOVERNORS AVE, ATTN: PROVIDER ENROLLMENT
Medford, MA 02155
  • Reassigned Medicare billing, Massachusetts enrollment
  • 246 clinicians in this Medicare group
NPI 1770563900 (781) 338-7521
Hallmark Health System Inc
8.2 mi
Internal Medicine
170 GOVERNORS AVE
Medford, MA 02155
  • Reassigned Medicare billing, Massachusetts enrollment
  • Medicare enrollment name: Melrosewakefield Healthcare, Inc
  • 140 clinicians in this Medicare group
NPI 1275673667 (781) 979-3050

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 01887 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 8

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

PERSONAL INSIGHT THERAPY, LLC
Social Worker (Clinical)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (781) 208-0558
CONNECTIONS COUNSELING SERVICES, LLC
Counselor (Mental Health)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (781) 367-8387
STELLA WELLBEING LLC
Social Worker
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (978) 222-9820
PAMELA DUDLEY LICSW
Social Worker
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (978) 222-9820
KAYLA ESCE LMHC
Counselor (Mental Health)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (781) 430-8519
ELISABETH SECOR, LICSW LLC
Counselor (Mental Health)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (781) 462-6030
KRISTINA M. DONAHUE, LICSW, LLC
Clinic/Center (Adolescent and Children Mental Health)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (978) 307-4500
ALEXANDRA MASTRANGELO LMHC
Counselor (Mental Health)
226 LOWELL ST STE B7
WILMINGTON, MA 01887
Middlesex County (781) 367-8387

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 Julia Niss's NPI number?

The NPI number for Julia Niss is 1801011002. It was assigned to this individual provider in the NPPES registry on April 16, 2007.

Where is Julia Niss located?

Julia Niss practices at 226 Lowell St Ste B7, Wilmington, MA 01887. The listed phone number is (781) 208-0558.

What is Julia Niss's specialty?

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

Is Julia Niss enrolled in Medicare?

Yes. Julia Niss is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Julia Niss's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julia Niss reassigns Medicare benefits to 2 organizations: Hallmark Health Medical Associates Inc (Medford, MA) and Hallmark Health System Inc (Medford, MA). Each 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 Julia Niss's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Julia Niss accept?

Health plans from Harvard Pilgrim Health Care list Julia Niss 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 Julia Niss was last updated on April 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.