Which US hospitals have emergency departments?
Most hospitals in the CMS directory report emergency services, but the share varies enormously by state — from nearly every hospital to about half. 4,494 with an ER5,418 hospitals
Key findings
- Nationally, 83% of hospitals in the directory report emergency services.
- Iowa has the highest share at 97%; the lowest in this table is Louisiana at 61%.
- 924 hospitals report no emergency services — many are specialty, psychiatric, rehabilitation or critical-access facilities.
| State | Hospitals | With emergency services | Share |
|---|---|---|---|
| Iowa | 118 | 114 | 97% |
| New Hampshire | 27 | 26 | 96% |
| Alaska | 25 | 24 | 96% |
| North Dakota | 47 | 45 | 96% |
| Montana | 63 | 60 | 95% |
| Oregon | 62 | 58 | 94% |
| Utah | 52 | 48 | 92% |
| Colorado | 96 | 88 | 92% |
| Puerto Rico | 59 | 54 | 92% |
| Hawaii | 23 | 21 | 91% |
| Kentucky | 103 | 94 | 91% |
| Alabama | 99 | 90 | 91% |
| Illinois | 193 | 175 | 91% |
| Nebraska | 93 | 84 | 90% |
| Arkansas | 90 | 81 | 90% |
States with fewer than 20 hospitals are excluded.
Why it matters
In an emergency the closest hospital may not have an emergency department. Checking before you need it — especially in rural areas — is worth two minutes. Facility pages in the directory show the emergency-services flag alongside the CMS rating, type and address.
Method
Counts of the CMS "Emergency Services" field by hospital state, excluding hospitals outside the 50 states and DC. Data: CMS Provider Data Catalog (public domain).
Written and maintained by the Tekify data team · last reviewed 2026-10-24 · sources and methodology.