B-XII Waltham LLC - Assisted Living Facility in Waltham, MA

B-XII Waltham LLC is a registry-listed assisted living facility in Waltham, MA (02451). CMS publishes no quality rating for this listing; confirm licensing, services, and coverage directly with the provider.

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Location: view on OpenStreetMap

Contact details

Telephone: 781-466-9912

Street address: 126 SMITH ST, Waltham, MA 02451

County: Middlesex County

Registry identifiers

NPI1013032861
NUCC taxonomy code310400000X
NPI enumerated2007-03-20
NPPES last updated2015-01-21

From the CMS NPPES NPI registry. An NPI record is a registry listing, not a license, certification, or quality rating; confirm licensing with the state and the provider.

How to verify B-XII Waltham LLC

These providers are drawn from the CMS NPI registry (NPPES), which publishes provider identities and practice locations but no star ratings, inspection results, or quality measures. Before you rely on this listing, confirm licensing, services, eligibility, and cost directly with the provider. For Medicare-certified alternatives, use the CMS Care Compare link below.

Check Medicare-certified providers on CMS Care Compare →

Ownership & operation

Legal name: B-XII Waltham LLC. Provider type: Assisted Living Facility. Confirm current ownership and operation with the provider.

About assisted living facilities in Waltham

Assisted Living Facilities listed here are drawn from the CMS NPI registry (NPPES), which records provider identities and practice locations. NPPES does not publish star ratings, inspections, or quality measures.

Confirm each provider's licensing, services, availability, and cost directly, since no CMS quality rating is published for these listings. For local alternatives, browse the Assisted Living Facilities directory for Waltham, the Middlesex County assisted living facilities list, or all care types in Waltham.

For context, this directory lists 3 assisted living facilities in Waltham; 47 across Middlesex County; 2 in ZIP 02451.

ZIP code: all care providers in ZIP 02451 · Assisted Living Facilities in ZIP 02451

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Other assisted living facilities in Waltham

Assisted Living Facility Piety Corner Nursing Home Waltham, MA 02451 No CMS rating Assisted Living Facility Wincare LLC Waltham, MA 02452 No CMS rating

Nearest assisted living facilities by distance

Assisted Living Facility Youville Place, INC Lexington, MA 02421 No CMS rating2.6 mi Assisted Living Facility Scandinavian Charitable Society of Greater Boston West Newton, MA 02465 No CMS rating3.8 mi Assisted Living Facility SRC Weston, LLC Weston, MA 02493 No CMS rating3.8 mi Assisted Living Facility Sunrise Third (pool), LLC Weston, MA 02493 No CMS rating3.8 mi Assisted Living Facility Brigham House Assisted Living Watertown, MA 02472 No CMS rating4.4 mi Assisted Living Facility B-III Newton Senior Housing LLC Newton, MA 02458 No CMS rating4.7 mi Assisted Living Facility Bh Brightview Arlington Opco, LLC Arlington, MA 02474 No CMS rating5.1 mi Assisted Living Facility B-III Brookline Senior Housing LLC Brighton, MA 02135 No CMS rating6.2 mi

Straight-line distances estimated from ZIP-centroid coordinates, not driving distance. Confirm a provider's location directly.

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Providers at this location

These organizations are registered at the same street address in the CMS NPPES registry and share this location page.

These are separate registry listings, not endorsements.

Key facts

Care typeAssisted Living Facility
CMS ratingNot CMS-rated
Beds—
Ownership—
Provider typeAssisted Living Facility
Source record ID1013032861

Frequently asked questions

Is B-XII Waltham LLC rated by CMS?
No. B-XII Waltham LLC appears as a registry-listed assisted living facility in the CMS NPI registry (NPPES), a source that does not publish CMS star ratings, inspection results, or quality measures. Confirm licensing, services, and coverage directly with the provider.
Is B-XII Waltham LLC Medicare-certified?
This listing does not by itself establish Medicare certification. B-XII Waltham LLC appears in the CMS NPI registry (NPPES) under record 1013032861. Confirm licensing, Medicare or Medicaid participation, and coverage directly with the provider.
Where is B-XII Waltham LLC located?
126 SMITH ST, Waltham, MA 02451. The provider sits in Middlesex County. Contact phone: 781-466-9912.
Where does this information come from?
This listing is drawn from the CMS NPI registry (NPPES) (processing date 2026-10-06). It is not a CMS quality record. Confirm current details directly with the provider before making care decisions.
How many assisted living facilities are near Waltham?
This directory lists 3 assisted living facilities in Waltham and 47 in Middlesex County, including 2 in ZIP 02451. The nearest listings, with estimated distances, are shown above.

Data provenance

Source: CMS NPPES Data Dissemination V.2 (September 2026) (record npidata_pfile_20050523-20260913). Processing date: 2026-09-14. See the methodology page for normalization details. This profile is informational only and is not medical advice.

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Required disclosures

For general information only, not medical advice. This website shares public data and general information. It does not offer medical advice, diagnosis, or treatment guidance, and it cannot replace a consultation with a qualified health care professional or with Medicare.

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Confirm details before acting. Facility records come from public federal datasets and may lag or contain errors. Always verify current ratings, services, availability, and coverage directly with the provider and on Medicare.gov.

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