Hospital rankings

Hospitals in New Hampshire with the lowest serious complications

13 New Hampshire hospitals ranked by serious complications in the 2026 Medicare (CMS) data. Leading: Wentworth-Douglass Hospital, Parkland Medical Center, St Joseph Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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13 hospitals ranked in New Hampshire by serious complications; 14 more match but have no reported value.

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Hospital rankings, page 1 of 1. Columns can be sorted.
#	Hospital	Serious complicationslower is better	Overall star ratinghigher is better	Patient survey star ratinghigher is better	Heart attack death ratelower is better	Heart failure death ratelower is better	Hospital-wide readmission ratelower is better · 2025 data	Time in emergency departmentlower is better	Medicare spending per patientlower is better	Total beds	Compare
	National average	1.00		3.3	11.9%	11.1%	15.0%	162 min	1.00
1	Wentworth-Douglass HospitalDover, NH · Acute care	0.75, 97th percentile	4, 73rd percentile	4, 76th percentile	10.2%, 93rd percentile	11.6%, 37th percentile	15.2%, 34th percentile	242 min, 6th percentile	0.94, 76th percentile	178	Compare Wentworth-Douglass Hospital
2	Parkland Medical CenterDerry, NH · Acute care	0.87, 81st percentile	4, 73rd percentile	3, 39th percentile	10.5%, 89th percentile	7.7%, 96th percentile	15.5%, 19th percentile	120 min, 74th percentile	0.94, 76th percentile	86	Compare Parkland Medical Center
3	St Joseph HospitalNashua, NH · Acute care	0.92, 67th percentile	4, 73rd percentile	3, 39th percentile	11.0%, 77th percentile	12.9%, 17th percentile	14.5%, 79th percentile	202 min, 18th percentile	1.02, 33rd percentile	208	Compare St Joseph Hospital
T4	Concord Hospital- LaconiaLaconia, NH · Acute care	0.94, 59th percentile	3, 43rd percentile	3, 39th percentile	10.7%, 85th percentile	12.5%, 22nd percentile	15.6%, 16th percentile	197 min, 20th percentile	0.97, 61st percentile	143	Compare Concord Hospital- Laconia
T4	Portsmouth Regional HospitalPortsmouth, NH · Acute care	0.94, 59th percentile	3, 43rd percentile	3, 39th percentile	10.9%, 80th percentile	13.1%, 14th percentile	15.4%, 23rd percentile	132 min, 63rd percentile	1.02, 33rd percentile	209	Compare Portsmouth Regional Hospital
6	Concord HospitalConcord, NH · Acute care	0.96, 51st percentile	3, 43rd percentile	3, 39th percentile	13.5%, 8th percentile	12.6%, 20th percentile	15.2%, 34th percentile	243 min, 6th percentile	1.00, 44th percentile	295	Compare Concord Hospital
7	Frisbie Memorial HospitalRochester, NH · Acute care	0.98, 41st percentile	3, 43rd percentile	4, 76th percentile	—	10.3%, 64th percentile	14.6%, 74th percentile	132 min, 63rd percentile	0.86, 94th percentile	122	Compare Frisbie Memorial Hospital
8	Exeter Hospital IncExeter, NH · Acute care	1.00, 35th percentile	4, 73rd percentile	3, 39th percentile	14.5%, 2nd percentile	10.9%, 52nd percentile	14.0%, 93rd percentile	206 min, 16th percentile	0.97, 61st percentile	100	Compare Exeter Hospital Inc
9	Cheshire Medical CenterKeene, NH · Acute care	1.01, 33rd percentile	4, 73rd percentile	3, 39th percentile	12.2%, 35th percentile	11.5%, 39th percentile	14.9%, 54th percentile	214 min, 13th percentile	0.97, 61st percentile	169	Compare Cheshire Medical Center
10	Southern NH Medical CenterNashua, NH · Acute care	1.02, 31st percentile	2, 17th percentile	3, 39th percentile	13.8%, 5th percentile	10.5%, 60th percentile	15.6%, 16th percentile	218 min, 12th percentile	0.98, 55th percentile	188	Compare Southern NH Medical Center
11	Mary Hitchcock Memorial HospitalLebanon, NH · Acute care	1.18, 12th percentile	3, 43rd percentile	3, 39th percentile	11.3%, 68th percentile	10.4%, 62nd percentile	15.2%, 34th percentile	264 min, 3rd percentile	1.02, 33rd percentile	396	Compare Mary Hitchcock Memorial Hospital
12	Elliot HospitalManchester, NH · Acute care	1.31, 6th percentile	2, 17th percentile	4, 76th percentile	14.2%, 3rd percentile	12.9%, 17th percentile	15.4%, 23rd percentile	291 min, 2nd percentile	1.01, 38th percentile	296	Compare Elliot Hospital
13	Catholic Medical CenterManchester, NH · Acute care	1.39, 4th percentile	4, 73rd percentile	3, 39th percentile	10.1%, 95th percentile	9.0%, 86th percentile	15.7%, 13th percentile	221 min, 11th percentile	0.97, 61st percentile	330	Compare Catholic Medical Center

About these rankings

Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.

Serious complications: Patient safety and adverse events composite (PSI 90; 1.0 = national value).
Overall star rating: CMS overall hospital quality star rating (1-5).
Patient survey star rating: HCAHPS summary star rating (1-5).
Heart attack death rate: 30-day death rate for heart attack patients.
Heart failure death rate: 30-day death rate for heart failure patients.
Hospital-wide readmission rate: Rate of unplanned readmission within 30 days, all conditions. From 2025 CMS reports the Hybrid Hospital-Wide Readmission measure (claims plus EHR data), which replaced the claims-only measure; values are close but not strictly comparable across the change. CMS suppressed it for 2026.. Latest available: 2025 release.
Time in emergency department: Median time patients spent in the emergency department before leaving.
Medicare spending per patient: Medicare spending per beneficiary episode relative to the national median (1.0 = national median).
Total beds: Total beds reported to CMS (Provider of Services file).