Board-certified in both internal medicine and infectious disease, Katherine Promer, MD practices at UC San Diego Health's Owen Clinic inside Medical Offices South at 4168 Front Street, anchoring the clinic's HIV primary care panel on the Hillcrest campus. Internal medicine residency and infectious disease fellowship training next door at Hillcrest Medical Center at UC San Diego Health plus fluent Spanish allow bilingual HIV continuity visits without interpreter services. Published research spans HIV elite controllers, Chagas disease diagnostics across California and Texas hospital systems, GLP-1 receptor agonists for weight loss in people with HIV, and COVID-19 vaccine trial subinvestigation through the Coronavirus Prevention Network. Complicated presentations that escalate out of clinic — drug-resistant opportunistic infections, tropical disease workups, acute sepsis — transfer directly to the UC San Diego Health Hillcrest Emergency Department on the same campus. Long-term HIV viral suppression management runs alongside primary care for hypertension, type 2 diabetes, hyperlipidemia, and metabolic syndrome in patients whose comorbidity burden makes standard PCP panels inadequate.