Internal medicine practice operating under the Hillcrest Internal Medicine group, Hillcrest Internal Medicine: Willging Stephen A MD runs out of 4060 Fourth Avenue, Suite 505, within the Scripps Affiliated Medical Group network. Lower-back and cervical pain unresponsive to NSAIDs or physical therapy gets conservative-care referrals to corridor chiropractors including NuSpine Chiropractic before orthopedic or neurosurgical escalation. Annual physicals, diabetes panels, thyroid workups, and hepatitis screening fill the standard adult visit schedule. HIV pre-exposure prophylaxis, hepatitis C screening, and linkage-to-care pathways intersect with community HIV services at AHF Healthcare Center - San Diego for shared-patient treatment plans. The office coordinates cardiology, endocrinology, and pulmonology referrals for complex multi-system cases requiring specialist input across the Scripps network.