Hospitals in Boulder County, CO
6 hospitals, 5 with emergency services. Acute Care Hospital: 5 · Psychiatric Hospital: 1.
Compare the 4 top-rated hospitals side by side →
- AdventHealth Avista(303) 673‑1000Acute Care Hospital · Louisville · ER · Medicare rating 4 of 5 · Full profile
- Boulder Community Health(303) 440‑2273Acute Care Hospital · Boulder · ER · Medicare rating 4 of 5 · Full profile
- Centennial Peaks Hospital(303) 673‑9990Psychiatric Hospital · Louisville
- Good Samaritan Medical Center LLC(303) 689‑4000Acute Care Hospital · Lafayette · ER · Medicare rating 4 of 5 · Full profile
- Longmont United Hospital(303) 651‑5111Acute Care Hospital · Longmont · ER · Medicare rating 3 of 5 · Full profile
- Longs Peak Hospital(720) 718‑3005Acute Care Hospital · Longmont · ER · Medicare rating 5 of 5 · Full profile
Cities in Boulder County with hospitals
Nursing homes, hospice, home health and dialysis
Medicare-certified providers, with Medicare star ratings and official data.
Outpatient surgery centers
Medicare-certified ambulatory surgery centers: kinds of surgery, Medicare quality measures and patient survey.
Medical supply stores
Medical equipment suppliers enrolled in Medicare: wheelchairs, walkers, oxygen, CPAP, diabetic supplies and more.
ER wait times and Medicare ratings
Ranked only by official Medicare (CMS) numbers.
Care in Boulder County: specialties, conditions and doctors
Specialties listed by hospitals here
Conditions listed by hospitals here
The number is how many hospitals here list it on their own website (hospitals with a reviewed website profile only).
Health centers, clinics and pharmacies in Boulder County
Addiction and mental health treatment in Boulder County
From SAMHSA’s FindTreatment.gov. In a crisis, call or text 988.
Common questions
How many hospitals are in Boulder County, Colorado?
Our directory lists 6 hospitals in Boulder County: AdventHealth Avista, Boulder Community Health, Centennial Peaks Hospital, Good Samaritan Medical Center LLC, Longmont United Hospital and Longs Peak Hospital.
Which hospitals in Boulder County have an emergency room?
According to Medicare (CMS) data: AdventHealth Avista, Boulder Community Health, Good Samaritan Medical Center LLC, Longmont United Hospital and Longs Peak Hospital. In a medical emergency, call 911.
What are the Medicare star ratings of hospitals in Boulder County?
In the current CMS overall rating (1 to 5 stars): Longs Peak Hospital, 5 stars, AdventHealth Avista, 4 stars, Boulder Community Health, 4 stars, Good Samaritan Medical Center LLC, 4 stars and Longmont United Hospital, 3 stars. Other hospitals here are not rated by CMS.
Source: Centers for Medicare & Medicaid Services (CMS), data updated 2026-07-22, retrieved 2026-10-29. Basic profiles: services not yet reviewed in detail.