Welcome to San Diego Post-Acute. San Diego Post-Acute is proud to be a Medicare-certified, short-term rehabilitation and skilled nursing home located in El Cajon, California. Post-Acute Rehabilitation Our experienced post-acute team provides outstanding results by empowering each resident through individualized programs to reach goals of increased independence and ability. Sub-Acute Care Our sub-acute care program is for residents recently released from the hospital. We are able to treat residents, in whatever state they may be in, from recently discharged to medically fragile. Memory Care Our memory care unit is equipped with specially trained nurses and staff so that all residents can benefit from a personalized care plan to meet each ones individual needs.