About
Dr. Dennis Hughes is a Northwestern-trained internist who has practiced medicine since 1999. He completed his Internal Medicine residency at Northwestern University and brings deep expertise in preventive and chronic disease medicine. Before opening his membership practice in Santa Barbara, he practiced in the Bay Area, building long-term patient relationships spanning more than a decade.
Dr. Hughes is passionate about cardiovascular disease prevention, particularly early lipid management using apoB, LDL, and Lp(a) testing. He takes a proactive approach to metabolic health, managing insulin resistance, obesity, and type 2 diabetes with tools including GLP-1 agonist therapy. His clinical interests also include hormone replacement therapy, hair loss treatment, and smoking cessation. He co-hosts the podcast "This Might Sting a Little" alongside Duncan Turner and Orel Swenson, examining conventional medical guidelines with a critical eye. He also produces a YouTube channel and blog covering medical topics in depth. Patients consistently describe him as empathetic, patient, and genuinely invested in their long-term health.
Education & Training
Residency
Internal Medicine, Northwestern University
Conditions Treated
Who is Dr. Hughes right for?
Dr. Hughes is a strong fit for adults who want a long-term relationship with a thorough, accessible physician. Patients managing chronic conditions like type 2 diabetes, hypertension, dyslipidemia, or obesity benefit from his proactive, evidence-driven approach. He works well with patients interested in advanced cardiovascular screening, metabolic optimization, and cancer early detection. Those who want direct access to their doctor and unhurried appointments tend to thrive in his practice.
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Frequently Asked Questions
Dr. Hughes focuses on internal and preventive medicine. He treats a broad range of chronic conditions including type 2 diabetes, hypertension, dyslipidemia, obesity, insulin resistance, thyroid conditions, and menopausal conditions. He also manages COPD, chronic kidney disease, osteoporosis, anxiety, depression, and coronary artery disease.
Dr. Hughes takes an early, aggressive approach to cardiovascular risk. He uses advanced lipid testing, including apoB and Lp(a), to identify risk well before symptoms appear. He also orders coronary artery calcium scans to quantify plaque burden and guide treatment decisions. He discusses lipid-lowering strategies with younger patients to reduce long-term risk.
Dr. Hughes trained in Internal Medicine at Northwestern University and has practiced since 1999. He studies medical literature seven days a week to stay current with evolving clinical evidence.
Dr. Hughes offers several advanced screening options. These include the Grail Galleri multi-cancer blood test, whole body MRI screening, coronary artery calcium scoring, and expanded biomarker blood panels. He uses these tools to detect potential health issues before they become serious.
Yes. Dr. Hughes treats obesity as a medical condition and uses a range of approaches, including GLP-1 agonist therapy and metabolic assessment. He also manages insulin resistance and metabolic syndrome, which he views as closely linked to cardiovascular and cancer risk.
Dr. Hughes sees adult patients across a wide age range. Many of his patients manage multiple chronic conditions or want proactive, prevention-focused care. He has particular depth with patients focused on cardiovascular health, metabolic disease, hormonal health, and cancer screening.
Yes. Dr. Hughes offers hormone replacement therapy for appropriate patients. He also treats testosterone deficiency and addresses menopausal conditions as part of his broader hormone-related care.
Yes. Dr. Hughes co-hosts a podcast called "This Might Sting a Little" with Duncan Turner and Orel Swenson. The show examines conventional medical guidelines and topics like GLP-1 agonists. He also runs a YouTube channel and blog where he covers medical topics in depth.
Dr. Hughes has practiced internal medicine since 1999. He previously practiced in the Bay Area before relocating to Santa Barbara. Several of his patients have maintained relationships with him for more than 15 years.
Doctor profile last updated April 4, 2026