Fresenius Medical Care Chelmsford
✓ In-center
48/ 100
DCI Walden Pond
Dialysis center · 56 B Winthrop Street, Concord, MA 01742
CMS star rating
84/ 100
Excellent
Better than 84% of US centers
At a glance
- Operator
- Dialysis Clinic, Inc. · Non-profit
- Dialysis options
- ✓ In-center hemodialysis✓ Peritoneal dialysis (PD)✗ Home hemodialysis training
- Evening shift
- No shift starting after 5 pm reported
- Stations
- 13 dialysis chairs
- Medicare-certified
- Since 2003-06-09 · CCN 222559
- Rank in Massachusetts
- #22 of 77 scored centers
- County
- Middlesex
- ESRD Network
- Network 1 (for grievances and help changing centers)
Patient outcomes and quality of care
CMS quality measures: better than the national average on 9 of 13 reported measures, worse on 2.
| Measure | This center | State | National | vs. national |
|---|---|---|---|---|
| Patient deaths (risk-adjusted rate) (lower is better) CMS: As Expected | 18.6 | 19 | 22.2 | Better |
| Hospital admissions (risk-adjusted rate) (lower is better) CMS: As Expected | 168 | 154.9 | 148 | Worse |
| Readmitted within 30 days of a hospital stay (lower is better) CMS: As Expected | 23.6% | 29% | 27.2% | Better |
| Blood transfusions (risk-adjusted rate) (lower is better) CMS: As Expected | 16.7 | 28.3 | 32.5 | Better |
| Bloodstream infections (ratio to expected) (lower is better) CMS: Better than Expected | 0 | 0.36 | 1 | Better |
| Emergency room visits (ratio to expected) (lower is better) CMS: As Expected | 0.82 | 0.86 | 0.99 | Better |
| ER visits within 30 days of a hospital stay (ratio to expected) (lower is better) CMS: As Expected | 1 | 0.88 | 1.04 | About the same |
| Patients dialyzing through an AV fistula CMS: As Expected | 60.9% | 60.8% | 57.1% | Better |
| Patients with a long-term catheter (90+ days) (lower is better) | 13% | 20.1% | 19% | Better |
| Hemodialysis patients getting adequate dialysis (Kt/V ≥ 1.2) | 98% | 97.5% | 97% | About the same |
| Patients with high blood calcium (over 10.2 mg/dL) (lower is better) | 3% | 1% | 1% | Worse |
| Patients with very high phosphorus (over 7.0 mg/dL) (lower is better) | 8% | 17% | 18% | Better |
| Patients on the kidney transplant waitlist CMS: As Expected | 29.9% | 35.6% | 16.5% | Better |
Rates for deaths, hospital admissions and transfusions are risk-adjusted per 100 patient-years; ratios compare the center to what CMS expects for its patients (1.00 = as expected). State figures are the average of centers in the state. 'CMS:' notes show CMS's own verdict after accounting for statistical uncertainty.
What patients say (ICH-CAHPS survey)
CMS has not published these measures for this center (usually because too few patients were treated in the reporting period, or the center is new).
Location
Dialysis centers nearby
DaVita Burlington Regional Dialysis
✓ In-center✓ PD
48/ 100
The Dialysis Center at Waltham
✓ In-center
94/ 100
Fresenius Kidney Care Wellesley
✓ In-center
13/ 100
Frequently asked questions
Is DCI Walden Pond Medicare-certified?
Yes. DCI Walden Pond (CMS Certification Number 222559) has been Medicare-certified since 2003-06-09, which means it meets federal ESRD Conditions for Coverage and Medicare pays for covered dialysis there.
What dialysis options does DCI Walden Pond offer?
DCI Walden Pond reports offering in-center hemodialysis, peritoneal dialysis (pd) with 13 dialysis stations. It does not report a shift starting after 5 pm.
How does DCI Walden Pond compare to other dialysis centers?
DCI Walden Pond scores 84/100 on Dialysis Scorecard (excellent), better than 84% of US dialysis centers, and ranks #22 of 77 scored centers in Massachusetts. CMS gives it 4 out of 5 stars.
Who owns DCI Walden Pond?
DCI Walden Pond is operated by Dialysis Clinic, Inc. and is a non-profit facility.
Source: CMS Provider Data Catalog, Dialysis Facility Compare and ICH-CAHPS (2026-09-29). Dialysis Scorecard is not affiliated with DCI Walden Pond or Dialysis Clinic, Inc.. Data may lag real-world changes; verify with the center. Is this your center? Report a correction.