Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Metropolitan Hospital | Hospital | 62 | Los Angeles | 34 02 16 N | 118 17 04 W |
| Metropolitan State Hospital | Hospital | 37 | Los Angeles | 33 55 33 N | 118 04 15 W |
| Midway Hospital Medical Center | Hospital | 46 | Los Angeles | 34 03 26 N | 118 21 39 W |
| Millbrae Serra Sanitarium (historical) | Hospital | 4 | San Mateo | 37 36 01 N | 122 23 15 W |
| Mills Memorial Hospital | Hospital | 8 | San Mateo | 37 33 53 N | 122 19 36 W |
| Mission Bay Memorial Hospital | Hospital | 13 | San Diego | 32 48 16 N | 117 13 01 W |
| Mission Hospital | Hospital | 47 | Los Angeles | 33 58 24 N | 118 12 42 W |
| Mission Hospital | Hospital | 28 | Santa Cruz | 36 58 43 N | 122 01 51 W |
| Mission Valley Medical Center | Hospital | 393 | Riverside | 33 37 52 N | 117 17 22 W |
| Mission Valley Medical Center | Hospital | 400 | Riverside | 33 37 14 N | 117 17 12 W |
| Modesto City Hospital | Hospital | 28 | Stanislaus | 37 38 37 N | 120 59 27 W |
| Modesto State Hospital | Hospital | 24 | Stanislaus | 37 39 43 N | 121 02 22 W |
| Modesto Veterinary Hospital | Hospital | 27 | Stanislaus | 37 38 40 N | 121 00 23 W |
| Modoc Medical Center | Hospital | 1330 | Modoc | 41 28 48 N | 120 32 46 W |
| Monrovia Community Hospital | Hospital | 186 | Los Angeles | 34 08 55 N | 117 59 33 W |
| Monte Sano Hospital | Hospital | 151 | Los Angeles | 34 06 33 N | 118 15 49 W |
| Montebello Convalescent Hospital | Hospital | 68 | Los Angeles | 34 01 03 N | 118 06 33 W |
| Monterey County Health Department | Hospital | 93 | Monterey | 36 12 18 N | 121 08 20 W |
| Monterey County Hospital | Hospital | 23 | Monterey | 36 41 52 N | 121 38 00 W |
| Monterey County Public Health Center | Hospital | 20 | Monterey | 36 41 51 N | 121 38 03 W |
| Monterey Park Hospital | Hospital | 117 | Los Angeles | 34 02 58 N | 118 08 17 W |
| Monterey Sanitarium | Hospital | 102 | Los Angeles | 34 02 35 N | 118 05 18 W |
| Moreno Valley Medical Center | Hospital | 461 | Riverside | 33 53 55 N | 117 11 17 W |
| Morningside Hospital | Hospital | 57 | Los Angeles | 33 57 30 N | 118 18 26 W |
| Morse Hospital (historical) | Hospital | 34 | Sonoma | 38 36 39 N | 122 52 01 W |
| Motion Picture Country House and Hospital | Hospital | 284 | Los Angeles | 34 09 27 N | 118 38 10 W |
| Mount Diablo Medical Center | Hospital | 20 | Contra Costa | 37 58 60 N | 122 02 01 W |
| Mount Helix Hospital | Hospital | 130 | San Diego | 32 46 29 N | 117 02 37 W |
| Mount Mesa Sanitarium (historical) | Hospital | 937 | Los Angeles | 34 46 43 N | 117 46 25 W |
| Mount Rainier Convalescent Hospital | Hospital | 59 | Los Angeles | 33 55 56 N | 118 17 28 W |
| Mount Sinai Hospital | Hospital | 135 | Los Angeles | 34 02 48 N | 118 10 53 W |
| Mount Zion Hospital | Hospital | 43 | San Francisco | 37 47 05 N | 122 26 21 W |
| Mountain View Hospital | Hospital | 75 | San Luis Obispo | 35 17 07 N | 120 39 12 W |
| Mountains Community Hospital | Hospital | 1623 | San Bernardino | 34 15 56 N | 117 10 07 W |
| Murphy Memorial Hospital (historical) | Hospital | 143 | Los Angeles | 33 58 55 N | 118 01 46 W |
| Napa County Health Department | Hospital | 8 | Napa | 38 17 21 N | 122 17 53 W |
| Napa State Hospital | Hospital | 21 | Napa | 38 16 41 N | 122 15 59 W |
| Naylor Hospital | Hospital | 117 | Los Angeles | 33 58 38 N | 118 01 51 W |
| Needles-Desert Communities Hospital | Hospital | 190 | San Bernardino | 34 49 59 N | 114 37 03 W |
| Newhall Community Hospital | Hospital | 388 | Los Angeles | 34 22 39 N | 118 31 39 W |
| Nipomo Community Medical Center | Hospital | 103 | San Luis Obispo | 35 01 32 N | 120 29 56 W |
| Nippon Hospital (historical) | Hospital | 4 | San Joaquin | 37 57 02 N | 121 17 32 W |
| North Bay Medical Center | Hospital | 11 | Solano | 38 15 42 N | 122 02 53 W |
| North County Health Center | Hospital | 13 | San Mateo | 37 39 31 N | 122 26 07 W |
| North Glendale Hospital | Hospital | | Los Angeles | 34 10 04 N | 118 17 04 W |
| North Kern Hospital | Hospital | 98 | Kern | 35 35 37 N | 119 21 05 W |
| North Perris Medical Center | Hospital | 439 | Riverside | 33 48 45 N | 117 13 32 W |
| Northern Inyo Hospital | Hospital | 1272 | Inyo | 37 21 43 N | 118 24 21 W |
| Northridge Hospital Medical Center | Hospital | 233 | Los Angeles | 34 13 12 N | 118 32 00 W |
| Norwalk Community Hospital | Hospital | 30 | Los Angeles | 33 54 39 N | 118 03 50 W |
| Novato Community Hospital | Hospital | 11 | Marin | 38 05 51 N | 122 34 48 W |
| O'Connor Hospital | Hospital | 36 | Santa Clara | 37 19 41 N | 121 56 19 W |
| Oak Knoll Naval Hospital (historical) | Hospital | 89 | Alameda | 37 45 55 N | 122 08 50 W |
| Oak Park Community Hospital | Hospital | 5 | San Joaquin | 37 58 36 N | 121 17 26 W |
| Oak Park Hospital | Hospital | 43 | Los Angeles | 33 57 36 N | 118 16 47 W |
| Oak Valley Hospital | Hospital | 46 | Stanislaus | 37 45 28 N | 120 51 40 W |
| Oakland Hospital | Hospital | 14 | Alameda | 37 46 52 N | 122 13 53 W |
| Oaks Sanitarium (historical) | Hospital | 246 | Santa Clara | 37 11 58 N | 121 59 44 W |
| Oceanside City Hospital | Hospital | 38 | San Diego | 33 12 05 N | 117 22 40 W |
| Ojai Valley Community Hospital | Hospital | 235 | Ventura | 34 26 36 N | 119 15 50 W |
| Old San Antonio Hospital | Hospital | 385 | San Bernardino | 34 05 57 N | 117 39 45 W |
| Olive View Hospital | Hospital | 446 | Los Angeles | 34 19 33 N | 118 27 07 W |
| Ontario Hospital | Hospital | 315 | San Bernardino | 34 04 09 N | 117 38 31 W |
| Orange County Community Hospital | Hospital | 19 | Orange | 33 49 52 N | 118 00 50 W |
| Oroville Hospital | Hospital | 82 | Butte | 39 30 24 N | 121 32 28 W |
| Oxnard Community Hospital | Hospital | 15 | Ventura | 34 11 50 N | 119 11 12 W |
| Pacific Alliance Medical Center | Hospital | 99 | Los Angeles | 34 03 55 N | 118 14 21 W |
| Pacific Coast Hospital | Hospital | 43 | San Francisco | 37 46 55 N | 122 26 14 W |
| Pacific Grove Convalescent Hospital | Hospital | 31 | Monterey | 36 37 07 N | 121 54 29 W |
| Pacific Hospital | Hospital | 41 | Alameda | 37 46 50 N | 122 12 16 W |
| Pacific Hospital of Long Beach | Hospital | 6 | Los Angeles | 33 48 25 N | 118 11 35 W |
| Pacific State Hospital | Hospital | 210 | Los Angeles | 34 02 26 N | 117 48 30 W |
| Pacific View Hospital | Hospital | 33 | Los Angeles | 33 52 07 N | 118 23 42 W |
| Pacifica Hospital | Hospital | 19 | Orange | 33 41 25 N | 117 59 33 W |
| Pacifica Hospital of the Valley | Hospital | 276 | Los Angeles | 34 14 25 N | 118 23 48 W |
| Pacoima Memorial Hospital | Hospital | 359 | Los Angeles | 34 16 54 N | 118 23 01 W |
| Palm Drive Hospital | Hospital | 42 | Sonoma | 38 23 52 N | 122 49 11 W |
| Palmdale Hospital Medical Center | Hospital | 836 | Los Angeles | 34 33 25 N | 118 06 21 W |
| Palo Alto Medical Foundation Clinic | Hospital | 15 | Santa Clara | 37 26 37 N | 122 09 26 W |
| Palo Verde Hospital | Hospital | 83 | Riverside | 33 36 49 N | 114 35 41 W |
| Palomar Memorial Hospital | Hospital | 200 | San Diego | 33 07 41 N | 117 04 49 W |
| Panorama Community Hospital | Hospital | 245 | Los Angeles | 34 13 13 N | 118 27 25 W |
| Paradise Valley Hospital | Hospital | 42 | San Diego | 32 41 07 N | 117 04 57 W |
| Parkview Hospital | Hospital | 98 | Los Angeles | 34 05 24 N | 118 17 05 W |
| Parkview Hospital | Hospital | 234 | Riverside | 33 55 36 N | 117 26 19 W |
| Pasadena Hospital | Hospital | 329 | Los Angeles | 34 10 39 N | 118 09 04 W |
| Patton State Hospital | Hospital | 417 | San Bernardino | 34 08 17 N | 117 12 51 W |
| Peabody Hospital (historical) | Hospital | 7 | Solano | 38 03 09 N | 122 09 43 W |
| Peninsula Community Hospital | Hospital | 150 | Monterey | 36 33 44 N | 121 54 47 W |
| Peninsula Hospital | Hospital | 15 | San Mateo | 37 35 29 N | 122 23 01 W |
| Peralta Hospital | Hospital | 23 | Alameda | 37 49 11 N | 122 15 57 W |
| Permanente Foundation Hospital | Hospital | 9 | Solano | 38 07 35 N | 122 14 54 W |
| Petaluma Valley Hospital | Hospital | 11 | Sonoma | 38 15 15 N | 122 37 59 W |
| Physicians Community Hospital | Hospital | 35 | Alameda | 37 42 58 N | 122 07 51 W |
| Pioneer Central Medical Building | Hospital | | Los Angeles | 34 09 20 N | 118 15 30 W |
| Pioneer Hospital | Hospital | 17 | Los Angeles | 33 52 07 N | 118 04 59 W |
| Pioneer Memorial Hospital | Hospital | -29 | Imperial | 32 57 32 N | 115 33 14 W |
| Placentia Linda Community Hospital | Hospital | 92 | Orange | 33 53 13 N | 117 50 35 W |
| Placerville Sanatorium (historical) | Hospital | 576 | El Dorado | 38 43 45 N | 120 48 13 W |
| Plumas District Hospital | Hospital | 1049 | Plumas | 39 56 23 N | 120 57 42 W |
| Pomerado Hospital | Hospital | 196 | San Diego | 32 59 57 N | 117 03 24 W |
| Pomona Convalescent Home | Hospital | 269 | Los Angeles | 34 03 50 N | 117 45 09 W |
| Pomona Medical Center | Hospital | 270 | Los Angeles | 34 03 53 N | 117 45 08 W |
| Pomona Valley Hospital | Hospital | 289 | San Bernardino | 34 04 36 N | 117 45 00 W |
| Port Hueneme Adventist Hospital | Hospital | 4 | Ventura | 34 09 06 N | 119 11 48 W |
| Porterville Hospital | Hospital | 140 | Tulare | 36 04 14 N | 119 00 51 W |
| Porterville State Hospital | Hospital | 163 | Tulare | 36 02 25 N | 118 58 57 W |
| Presbyterian Intercommunity Hospital | Hospital | 57 | Los Angeles | 33 58 09 N | 118 02 55 W |
| Presbyterian Medical Center | Hospital | 77 | San Francisco | 37 47 26 N | 122 25 55 W |
| Providence Hospital | Hospital | 23 | Alameda | 37 49 10 N | 122 15 50 W |