OrganizationActive
Greater Waltham Arc, Inc.
NPI 1629355847 · Adult Care Home Facility · Waltham, MA
Greater Waltham Arc, Inc. is a Adult Care Home Facility organization in Waltham, MA (NPI 1629355847).
Provider details
- NPI number
- 1629355847
- Entity type
- Organization
- Primary specialty
- Adult Care Home FacilityNursing & Custodial Care Facilities
- Parent organization
- Greater Waltham Arc, Inc.
- Organization subpart
- Yes
- Authorized official
- John Wiswall, Chief Financial Officer(781) 899-1344
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
56 Chestnut St
Waltham, MA 02453-4433
Phone: (781) 899-1344
Fax: (781) 899-2197
Street-level locationGet directions
Mailing address
56 Chestnut St
Waltham, MA 02453-4433
Registry dates
- Enumerated
- 2011-11-16
- Last updated
- 2011-11-16
Frequently asked questions
- What is Greater Waltham Arc, Inc.'s NPI number?
- Greater Waltham Arc, Inc.'s National Provider Identifier (NPI) is 1629355847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greater Waltham Arc, Inc.?
- Greater Waltham Arc, Inc. is classified in the NPPES registry as Adult Care Home Facility (Nursing & Custodial Care Facilities).
- Where is Greater Waltham Arc, Inc. located?
- Greater Waltham Arc, Inc.'s practice location on file with NPPES is 56 Chestnut St, Waltham, MA 02453-4433.
- What is Greater Waltham Arc, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Greater Waltham Arc, Inc. is (781) 899-1344.
- Who is the authorized official for Greater Waltham Arc, Inc.?
- The authorized official listed on Greater Waltham Arc, Inc.'s NPPES record is John Wiswall, Chief Financial Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greater Waltham Arc, Inc.'s NPI active?
- Yes — Greater Waltham Arc, Inc.'s NPI (1629355847) is active in the NPPES registry as of the last update on 2011-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.