Northern Light Mercy Hospital in Portland, ME
In a medical emergency, call 911. This page is for information only.
About Northern Light Mercy Hospital
Northern Light Mercy Hospital is an acute care hospital in Portland, Cumberland County, Maine. It reports its ownership to Medicare as nonprofit (church-affiliated). It provides emergency services. Its CMS Overall Hospital Quality Star Rating is 4 out of 5. It has 200 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. The nearest other listed hospital is Mainehealth Maine Medical Center, about 0.5 mi away.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- MRSA bloodstream infectionsNo different · SIR 0.94
- Catheter-associated urinary tract infections (CAUTI)No different · SIR 0.88
- Clostridioides difficile (C. diff) infectionsNo different · SIR 0.69
- Central line bloodstream infections (CLABSI)No different · SIR 0.00
- Surgical site infections after colon surgeryNo different · SIR 0.85
43% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.
SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Patient survey star rating
- Would definitely recommend85%
- Rated the hospital 9 or 1081%
- Completed surveys861
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
43.65199, -70.26515
Nearby hospitals
- Mainehealth Maine Medical Center22 Bramhall St, Portland, ME · Level I traumaAcute care hospital0.5 mi
- New England Rehabilitation Hospital of Portland, A335 Brighton Avenue, Unit 201, Portland, MERehabilitation hospital1.7 mi
- Mainehealth Behavioral Health at Spring Harbor123 Andover Road, Westbrook, ME · Emergency roomPsychiatric hospital3.8 mi
Frequently asked questions
Where is Northern Light Mercy Hospital located?
Northern Light Mercy Hospital is at 144 State Street, Portland, ME 04101 in Cumberland County.
Does Northern Light Mercy Hospital have an emergency room?
Yes. Northern Light Mercy Hospital reports emergency services to Medicare, and patients spent a median of 208 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Northern Light Mercy Hospital?
Northern Light Mercy Hospital has a CMS Overall Hospital Quality Star Rating of 4 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
Is Northern Light Mercy Hospital a trauma center?
We have no trauma center designation on record for Northern Light Mercy Hospital. Hospitals without one still treat injuries in their emergency department and transfer patients who need a trauma center. Check the Maine trauma program for the current list.
What is the phone number of Northern Light Mercy Hospital?
The main phone number on record with Medicare is (207) 879-3000.
Would patients recommend Northern Light Mercy Hospital?
In the most recent HCAHPS patient survey (861 completed surveys), 85% of patients said they would definitely recommend the hospital, and 81% rated it 9 or 10 out of 10.
Related guides
- Hospital Financial Assistance and Charity CareHow IRS 501(r) rules work, who usually qualifies for free or discounted care, and how to apply step by step.
- How CMS Hospital Star Ratings WorkThe five measure groups behind the 1 to 5 star Overall Hospital Quality Star Rating, how it is calculated and what it leaves out.
- How to Choose a Hospital to Give BirthLevels of maternal and newborn care, the CMS Birthing-Friendly designation, quality data and questions to ask on a tour.
- How to Choose a HospitalA practical checklist for planned care: insurance networks, procedure volume, quality ratings, certifications and cost estimates.