In 2015, 3,554,481 patients were treated in Los Angeles County emergency rooms, up from 3,033,419 in 2011.
Busiest Emergency Rooms in Los Angeles County and Los Angeles County Hospitals
| Facility Name | Emergency Medical Service Level* | Total Reported Number of Emergency Department Encounters | |
|---|---|---|---|
| 2015 | 2011 | ||
| Alhambra Hospital Medical Center | Basic | 16,882 | 12,607 |
| Antelope Valley Hospital | Basic | 120,421 | 105,032 |
| Beverly Hospital | Basic | 34,943 | 31,622 |
| California Hospital Medical Center - Los Angeles | Basic | 78,481 | 58,399 |
| Catalina Island Medical Center | Standby | 1,955 | 1,478 |
| Cedars Sinai Medical Center | Basic | 87,477 | 80,280 |
| Centinela Hospital Medical Center | Basic | 64,079 | 56,914 |
| Children's Hospital of Los Angeles | Basic | 79,753 | 62,628 |
| Citrus Valley Medical Center - Inter-Community Campus | Basic | 21,637 | 17,936 |
| Citrus Valley Medical Center - Queen of the Valley Campus | Basic | 52,390 | 50,216 |
| Coast Plaza Hospital | Basic | 17,607 | 12,999 |
| College Medical Center | Basic | 15,337 | 13,583 |
| Community Hospital Long Beach | Basic | 26,380 | 22,552 |
| Community Hospital of Huntington Park | Standby | 43,268 | 29,539 |
| East Los Angeles Doctors Hospital | Basic | 16,139 | 17,264 |
| Encino Hospital Medical Center | Basic | 11,488 | 9,202 |
| Foothill Presbyterian Hospital-Johnston Memorial | Basic | 25,592 | 24,956 |
| Gardens Regional Hospital and Medical Center** | Basic | 9,408 | 8,488 |
| Garfield Medical Center | Basic | 28,335 | 21,646 |
| Facility Name | Emergency Medical Service Level* | Total Reported Number of Emergency Department Encounters | |
| 2015 | 2011 | ||
| Glendale Adventist Medical Center | Basic | 56,925 | 41,823 |
| Glendale Memorial Hospital and Health Center | Basic | 39,399 | 29,570 |
| Glendora Community Hospital | Basic | 4,991 | 4,316 |
| Good Samaritan Hospital-Los Angeles | Basic | 34,296 | 29,973 |
| Greater El Monte Community Hospital | Basic | 18,804 | 17,646 |
| Henry Mayo Newhall Hospital | Basic | 63,472 | 44,706 |
| Hollywood Presbyterian Medical Center | Basic | 36,418 | 32,109 |
| Huntington Memorial Hospital | Basic | 65,002 | 57,676 |
| Kaiser Foundation Hospital - Baldwin Park | Basic | 81,442 | 72,957 |
| Kaiser Foundation Hospital - Downey | Basic | 90,670 | 91,930 |
| Kaiser Foundation Hospital - Los Angeles | Basic | 73,069 | 71,663 |
| Kaiser Foundation Hospital - Panorama City | Basic | 63,099 | 51,628 |
| Kaiser Foundation Hospital - South Bay | Basic | 60,456 | 54,847 |
| Kaiser Foundation Hospital - West LA | Basic | 69,626 | 64,183 |
| Kaiser Foundation Hospital - Woodland Hills | Basic | 41,811 | 38,587 |
| Lakewood Regional Medical Center | Basic | 54,469 | 42,303 |
| Long Beach Memorial Medical Center | Basic | 97,322 | 80,958 |
| Los Angeles Community Hospital | Standby | 8,341 | 11,840 |
| Los Angeles Community Hospital at Bellflower | Basic | 11 | ---*** |
| Facility Name | Emergency Medical Service Level* | Total Reported Number of Emergency Department Encounters | |
| 2015 | 2011 | ||
| Los Angeles County /Harbor-UCLA Medical Center | Basic | 68,361 | 71,197 |
| Los Angeles County Olive View-UCLA Medical Center | Basic | 61,830 | 57,602 |
| Los Angeles County+USC Medical Center | Comprehensive | 133,100 | 143,468 |
| Marina Del Rey Hospital | Basic | 26,732 | 20,971 |
| Martin Luther King, Jr. Community Hospital | Basic | 20,071 | ---*** |
| Memorial Hospital of Gardena | Basic | 40,178 | 33,460 |
| Methodist Hospital of Southern California | Basic | 53,522 | 38,005 |
| Mission Community Hospital - Panorama Campus | Basic | 19,964 | 17,739 |
| Monterey Park Hospital | Basic | 18,380 | 12,702 |
| Northridge Hospital Medical Center | Basic | 57,678 | 50,856 |
| Norwalk Community Hospital | Basic | 7,442 | 9,611 |
| Olympia Medical Center | Basic | 28,081 | 23,804 |
| Pacifica Hospital of the Valley | Basic | 14,793 | 14,448 |
| Palmdale Regional Medical Center | Basic | 73,290 | 52,596 |
| PIH Hospital - Downey | Basic | 49,263 | 49,639 |
| Pomona Valley Hospital Medical Center | Basic | 94,874 | 81,989 |
| Presbyterian Intercommunity Hospital | Basic | 74,018 | 65,715 |
| Providence Holy Cross Medical Center | Basic | 99,777 | 65,573 |
| Facility Name | Emergency Medical Service Level* | Total Reported Number of Emergency Department Encounters | |
| 2015 | 2011 | ||
| Providence Little Company of Mary Medical Center - San Pedro | Basic | 40,646 | 35,045 |
| Providence Little Company of Mary Medical Center - Torrance | Basic | 73,216 | 63,245 |
| Providence Saint John's Health Center | Basic | 28,665 | 27,716 |
| Providence Saint Joseph Medical Center | Basic | 64,033 | 58,968 |
| Providence Tarzana Medical Center | Basic | 44,133 | 32,645 |
| Ronald Reagan UCLA Medical Center | Comprehensive | 44,437 | 43,090 |
| San Dimas Community Hospital | Basic | 17,764 | 14,948 |
| San Gabriel Valley Medical Center | Basic | 27,346 | 24,199 |
| Santa Monica – UCLA Medical Center and Orthopaedic Hospital | Basic | 43,883 | 38,321 |
| Sherman Oaks Hospital | Basic | 27,952 | 19,471 |
| Southern California Hospital at Culver City | Basic | 22,567 | 22,967 |
| St. Francis Medical Center | Basic | 80,577 | 67,558 |
| St. Mary Medical Center - Long Beach | Basic | 55,217 | 50,756 |
| St. Vincent Medical Center | Standby | 25,044 | 12,846 |
| Torrance Memorial Medical Center | Basic | 74,090 | 54,557 |
| USC Verdugo Hills Hospital | Basic | 21,449 | 18,336 |
| Valley Presbyterian Hospital | Basic | 67,634 | 55,788 |
| West Hills Hospital and Medical Center | Basic | 53,695 | 36,955 |
| White Memorial Medical Center | Basic | 59,706 | 44,678 |
| Whittier Hospital Medical Center | Basic | 29,878 | 25,899 |
*LICENSED EMERGENCY MEDICAL SERVICE LEVEL
Standby - Physician on call
Basic - Physician available 24x7
Comprehensive - Physician available in EMS 24x7 with 24x7 hospital and medical services
**Gardens Regional Medical Center in Hawaiian Gardens filed for bankruptcy in 2016 and closed in early 2017.
***Not in operation at time.
Source: Office of Statewide Health Planning and Development, Calif. Health & Human Services Agency
| Los Angeles County+USC Medical Center | 133,100 |
| Antelope Valley Hospital | 120,421 |
| Providence Holy Cross Medical Center | 99,777 |
| Long Beach Memorial Medical Center | 97,322 |
| Pomona Valley Hospital Medical Center | 94,874 |
| Kaiser Foundation Hospital - Downey | 91,670 |
| Cedars Sinai Medical Center | 87,477 |
| Kaiser Foundation Hospital - Baldwin Park | 81,442 |
| St. Francis Medical Center | 80,577 |
| Children's Hospital of Los Angeles | 79,753 |
| California Hospital Medical Center - Los Angeles | 78,481 |
Source: Office of Statewide Health Planning and Development, Calif. Health & Human Services Agency
The Los Angeles County+USC Medical Center Emergency Department ranks about 18 among the 20 busiest in the nation.
