MARISTHILL NURSING & REHABILITATION CENTER
NPI 1659366045
Skilled Nursing Facility in Waltham, MA

Active since September 13, 2005CLIA 22D0077465 · Waiver
3/5
Overall Rating
66 NEWTON ST, WALTHAM, MA 02453(781) 893-0240(781) 894-6330 Get Directions Write a Review

NPPES record last updated: October 17, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Maristhill Nursing & Rehabilitation Center NPPES

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

MARISTHILL NURSING & REHABILITATION CENTER (NPI 1659366045) is a healthcare organization registered as a skilled nursing facility in Waltham, Massachusetts and active in the NPI registry since September 2005. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists Carolyn M Fenn, President Ceo, as its authorized official.

NPPES Registry Identity

NPI1659366045
Entity TypeOrganization
Primary Taxonomy314000000X
Legal Business NameCHS OF WALTHAM, INC.
Location Address66 NEWTON STWaltham, MA 02453-6058
Mailing Address66 Newton StWaltham, MA 02453-6058 · (781) 893-0240 · Fax (781) 894-6330
Fax(781) 894-6330
Organization SubpartNo
Authorized OfficialCarolyn M FennPresident Ceo · (781) 893-0240
Enumeration DateSeptember 13, 2005
Last NPPES UpdateOctober 17, 2012
NPI 1659366045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySkilled Nursing FacilityNursing & Custodial Care Facilities
Taxonomy Code314000000X
License Licensed in MA · 0727
Definition
(1) A skilled nursing facility is a facility or distinct part of an institution whose primary function is to provide medical, continuous nursing, and other health and social services to patients who are not in an acute phase of illness requiring services in a hospital, but who require primary restorative or skilled nursing services on an inpatient basis above the level of intermediate or custodial care in order to reach a degree of body functioning to permit self care in essential daily living. It meets any licensing or certification standards et forth by the jurisdiction where it is located. A skilled nursing facility may be a freestanding facility or part of a hospital that has been certified by Medicare to admit patients requiring subacute care and rehabilitation; (2) Provides non-acute medical and skilled nursing care services, therapy and social services under the supervision of a licensed registered nurse on a 24-hour basis.
66 NEWTON ST, Waltham, MA 02453

Other Names 1

Doing Business AsMaristhill Nursing & Rehabilitation Center

Other Identifiers 1

Medicare OSCAR/certification225408MA

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D0077465

Maristhill Nursing & Rehab Center · Waltham, MA
Active · expires Aug 31, 2026
CLIA Number22D0077465
Laboratory TypeSkilled Nursing Facility/Nursing Facility
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorMark Rohrer
Laboratory Phone(617) 893-0240
Laboratory LocationMaristhill Nursing & Rehab Center66 Newton, Waltham, MA 02154
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

Nursing Home Quality Ratings CMS Care Compare

Quality ratings, staffing and inspection history for Maristhill Nursing & Rehabilitation Center (CMS certification number 225408), from CMS Care Compare.

Maristhill Nursing & Rehabilitation Center

Nursing home · Waltham, MA
3/5 CMS Overall Rating
OwnershipNon profit - Corporation
CMS Certification Number225408
Certified Beds123 beds85 residents per day on average
Medicare & Medicaid Participant SinceJuly 1, 1990
Resident & Family CouncilResident council
Automatic sprinkler system

CMS Star Ratings

Quality Measures
Based on a select set of clinical quality measures.
3/5
Long-Stay Quality
Quality of care delivered to long-term residents.
1/5
Short-Stay Quality
Quality of care delivered to short-term and rehabilitation residents.
5/5
Staffing
Based on nursing staff hours relative to resident needs.
5/5
Weighted Health Inspection Score
Lower scores are better; the score summarizes deficiencies found on recent inspections.
81.5
Ratings are assigned by CMS on a one-to-five star scale; five is the highest. Categories without a current CMS rating are not shown.

Staffing & Turnover

Total Nurse Staffing
nurse aide 2.28 · LPN 0.72 · RN 0.97
3.97 hrs per resident per day
Weekend Nurse Staffing
3.64 hrs per resident per day
Physical Therapist Staffing
0.03 hrs per resident per day
Nursing Staff Turnover
Share of nursing staff who left the facility within the past year.
39.7%
Registered Nurse Turnover
37.5%
Administrators Who Have Left
In the past year.
0
Higher staffing hours generally allow more direct care time per resident.

Inspections & Enforcement

Facility-Reported Incidents
0
Substantiated Complaints
2
Fines
2 totaling $123,455.00
Medicare Payment Denials
0
Total Penalties
2
Counts come from CMS inspections and complaint investigations over approximately the past three years. CMS Care Compare data as of October 1, 2024.

Other Providers at the Same Location NPPES 7

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

Occupational Therapy Assistant
66 NEWTON ST
WALTHAM, MA 02453
Licensed Practical Nurse
66 NEWTON ST
WALTHAM, MA 02453
Physical Therapy Assistant
66 NEWTON ST
WALTHAM, MA 02453
Occupational Therapist
66 NEWTON ST
WALTHAM, MA 02453
Occupational Therapist (Gerontology)
66 NEWTON ST
WALTHAM, MA 02453
Occupational Therapist
66 NEWTON ST
WALTHAM, MA 02453
Occupational Therapist
66 NEWTON ST
WALTHAM, MA 02453

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 Chs Of Waltham, Inc.'s NPI number?

The NPI number for Chs Of Waltham, Inc. is 1659366045. It was assigned to this organization in the NPPES registry on September 13, 2005. The provider is doing business as Maristhill Nursing & Rehabilitation Center.

Where is Chs Of Waltham, Inc. located?

Chs Of Waltham, Inc. is located at 66 Newton St, Waltham, MA 02453. The listed phone number is (781) 893-0240.

What is Chs Of Waltham, Inc.'s specialty?

The primary specialty registered for this NPI is Skilled Nursing Facility with taxonomy code 314000000X.

Does Chs Of Waltham, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D0077465) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is Chs Of Waltham, Inc. a Medicare-certified nursing home?

Yes. Maristhill Nursing & Rehabilitation Center is a Medicare-certified nursing home with 123 certified beds.

What quality rating does Chs Of Waltham, Inc. have?

CMS rates Maristhill Nursing & Rehabilitation Center 3 out of 5 stars overall on Care Compare. The full measure detail is in the Nursing Home Quality Ratings section above.

What insurance does Chs Of Waltham, Inc. accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Chs Of Waltham, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Chs Of Waltham, Inc. was last updated on October 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.