Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

B-Xii Waltham LLC

Organization Assisted Living Facility · NPI 1013032861

B-Xii Waltham LLC is an Assisted Living Facility in Waltham, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

126 Smith St
Waltham, MA 02451-1300
Phone: (781) 466-9912
Fax: (781) 466-9914
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Assisted Living Facility (primary) Taxonomy 310400000X (MA)

Record details

NPI number1013032861
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gayle Crenshaw — Senior Paralegal · (781) 489-7563
Other names Benchmark Senior Living At Waltham Crossings
NPI enumeratedMarch 20, 2007
Last updated in NPPESJanuary 21, 2015
Mailing address40 William St, Suite 350, Wellesley, MA 02481-3999

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