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SOPHIE L KWASS LCSW
NPI 1902372279
Social Worker in Belmont, MA

Active since October 15, 2018Opted out of Medicare · through Jan 2, 2028
115 MILL ST., BELMONT, MA 02478(617) 855-2274 Get Directions Write a Review

NPPES record last updated: October 15, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sophie L Kwass Lcsw NPPES

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

SOPHIE L KWASS LCSW (NPI 1902372279) is an individual social worker in Belmont, Massachusetts, licensed in Massachusetts (222244) and active in the NPI registry since October 2018. She has opted out of Medicare through January 2, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1902372279
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSOPHIE L KWASSCredential: LCSW
Location Address115 MILL ST.Belmont, MA 02478
Mailing Address115 Mill StBelmont, MA 02478-1064
Phone(617) 855-2274
Sole ProprietorNo
Enumeration DateOctober 15, 2018
✔ NPI 1902372279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MA · 222244
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
115 MILL ST., Belmont, MA 02478
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Sophie L Kwass Lcsw 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 January 2, 2026 through January 2, 2028.

Opt-Out Effective DateJanuary 2, 2026
Opt-Out In Effect ThroughJanuary 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.

Other Providers at the Same Location NPPES 4

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

DR. ANTONIA VICTORIA SELIGOWSKI PHD
Psychologist (Clinical)
115 MILL ST., MAIL STOP 212
BELMONT, MA 02478
Middlesex County (617) 855-2945
LAWRENCE ALBERT
Psychiatry & Neurology (Psychiatry)
115 MILL ST.
BELMONT, MA 02478
Middlesex County (617) 620-3456
SARA L WEISENBACH PHD
Clinical Neuropsychologist
115 MILL ST., MAIL STOP 234
BELMONT, MA 02478
Middlesex County (617) 855-3183
MALLORY DIMLER PH.D.
Psychologist (Clinical)
115 MILL ST., MCLEAN HOSPITAL
BELMONT, MA 02478
Middlesex County (617) 855-3618

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 Sophie Kwass's NPI number?

The NPI number for Sophie Kwass is 1902372279. It was assigned to this individual provider in the NPPES registry on October 15, 2018.

Where is Sophie Kwass located?

Sophie Kwass practices at 115 Mill St., Belmont, MA 02478. The listed phone number is (617) 855-2274.

What is Sophie Kwass's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Sophie Kwass enrolled in Medicare?

No. Sophie Kwass has opted out of Medicare through January 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.

When was this NPI record last updated?

The NPPES record for Sophie Kwass was last updated on October 15, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.