Chs of Waltham, Inc.
NPI 1659366045 · Skilled Nursing Facility · Waltham, MA
Enrolled with Medicare as Part a Provider - Skilled Nursing Facility · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chs of Waltham, Inc. is a Skilled Nursing Facility organization in Waltham, MA (NPI 1659366045).
Provider details
- NPI number
- 1659366045
- Entity type
- Organization
- Primary specialty
- Skilled Nursing FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Carolyn Fenn, President Ceo(781) 893-0240
- License
- 0727 (MA)
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Other names (DBA / former)
- Doing business as
- Maristhill Nursing & Rehabilitation Center
Registry dates
- Enumerated
- 2005-09-13
- Last updated
- 2012-10-17
Frequently asked questions
- What is Chs of Waltham, Inc.'s NPI number?
- Chs of Waltham, Inc.'s National Provider Identifier (NPI) is 1659366045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Chs of Waltham, Inc.?
- Chs of Waltham, Inc. is classified in the NPPES registry as Skilled Nursing Facility (Nursing & Custodial Care Facilities).
- Where is Chs of Waltham, Inc. located?
- Chs of Waltham, Inc.'s practice location on file with NPPES is 66 Newton St, Waltham, MA 02453-6058.
- What is Chs of Waltham, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Chs of Waltham, Inc. is (781) 893-0240.
- Does Chs of Waltham, Inc. accept Medicare?
- Chs of Waltham, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Chs of Waltham, Inc.?
- The authorized official listed on Chs of Waltham, Inc.'s NPPES record is Carolyn Fenn, President Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Chs of Waltham, Inc.'s NPI active?
- Yes — Chs of Waltham, Inc.'s NPI (1659366045) is active in the NPPES registry as of the last update on 2012-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.