About

Doctor in surgical scrubs and mask posing with a peace sign inside a modern hybrid operating room equipped for cardiovascular procedures

In the hybrid operating suite - where precision meets compassion

About Me

A Short Memoir

I was raised in Taiwan, where discipline was not optional but woven into the fabric of daily life. School demanded long hours, and family expected resilience. From those years I carried two lessons that have never left me: work hard, and endure.

At fourteen I left for Hawaii. It was a shock — another island, but one that felt like a different planet. I stumbled over the language, the culture, even the easy laughter of my classmates. Slowly, I adapted. By graduation I stood at the top of my class, though what mattered more was that I had learned to navigate between worlds.

Chicago was next. At the university there I split myself between biological sciences and visual arts, unsure whether the microscope or the sketchbook would win out. Eventually I realized they were the same discipline: the search for detail, pattern, and meaning. Medicine, when it appeared on the horizon, was simply the place where those instincts converged.

Two doctors in surgical attire smiling in a hybrid operating room, holding a FlowTriever procedural board showing blood clots removed from both pulmonary arteries after successful thrombectomy

A moment after restoring life-saving blood flow

Training Across Continents — US & Singapore

I returned to Hawaii for medical school, and it was there I encountered the idea of 'ohana — family that extends beyond bloodlines. It was less a concept than a practice: classmates who became brothers and sisters, patients who trusted us like kin. At graduation, the men in our class danced a hula as conquering warriors. I remember the chants echoing through the hall, the stomp of bare feet against the floor. For us, it was not performance but initiation — a declaration that what we carried forward was responsibility.

In San Francisco, at Kaiser Permanente, I honed my clinical acumen in a referral center that saw some of the most complex cardiology cases in the region. There I discovered the truth that medicine is never finished. Training does not end with a degree; it becomes a life's work, sustained by humility and the willingness to learn from every patient.

That lesson carried me back across the Pacific, to Singapore, where I completed advanced cardiology training. The pace was relentless: midnight angioplasties, patients rushed in with massive heart attacks, decisions that left no margin for hesitation. Each case was its own crucible, teaching me that precision and composure mattered as much as technical skill.

From there I returned once more to the United States, to Palo Alto, for a vascular medicine fellowship at Stanford. In California I saw the other side of the field — vascular disease at its most advanced, and the possibilities of treating it with the latest endovascular tools. The exposure was transformative. It broadened my view of what medicine could be: not just saving lives in the moment, but designing pathways of care that could alter the course of a patient's future.

A smiling healthcare professional in blue surgical scrubs and a blue bouffant cap sits at a table during a celebration, with a cake and candles in front of him in a clinic or hospital break room.

Moments of joy behind the scenes

Building Home in Singapore

When I came back to Singapore, it was to stay. For the next decade I served as a consultant in the departments of cardiology and vascular surgery, straddling two disciplines that rarely shared space. My practice became defined by high-stakes interventions: mechanical thrombectomy for pulmonary embolism, limb-saving procedures for peripheral arterial disease, catheter-based therapy for deep vein thrombosis. Nights often ended in operating theaters, the hum of machines and the fluorescence of hospital corridors marking time better than clocks. Alongside that urgent work, I continued the steady rhythm of general cardiology - clinic visits, echocardiograms, cardiac CT imaging - the quieter but equally vital dimensions of care.

From Taiwan to Hawaii, Chicago to San Francisco, Palo Alto to Singapore, my path has never been linear. Each place has been a circle, returning me to the same realization: that medicine is less about where you arrive than how you serve, and that the work of healing is never complete.

Credentials

My Qualifications

Vascular Medicine Fellowship

Stanford Hospital & Clinics

Immunology Research

University of California, San Francisco

Cardiology Specialist Training

National University Hospital (NUH)

Peripheral Endovascular Fellowship

National Taiwan University

Medical Degree

University of Hawaiʻi at Mānoa

Internal Medicine Residency

Kaiser Permanente Medical Center, SF

Meet Dr. Peter Chang

Professional portrait of a smiling man in a navy suit and blue tie, standing outdoors against a modern architectural background

Dedicated to advancing heart and vascular care with compassion and precision

Meet Dr. Peter Chang

Dr. Peter Chang 张书咏医生 is a triple-boarded specialist in Cardiology, Vascular Medicine, and Internal Medicine, with more than 20 years of experience dedicated to diagnosing, treating, and preventing the full spectrum of cardiovascular and vascular diseases. He combines deep clinical expertise with advanced training to provide patients with precise, evidence-based care that prioritizes both immediate outcomes and long-term health.

His expertise covers heart conditions such as high blood pressure, cholesterol disorders, coronary artery disease, and arrhythmias, as well as vascular diseases including peripheral artery disease and venous disorders. He offers advanced, minimally invasive treatments designed to restore circulation and improve quality of life.

Dr. Chang is especially passionate about conditions affecting the blood vessels, with extensive experience in endovascular interventions for both arteries and veins. Recognized internationally for his contributions to research and clinical medicine, he is a Fellow of the American College of Cardiology and a regular faculty member at international scientific meetings, where he shares his expertise with peers from around the world.

After serving for many years as a Senior Consultant at a leading national tertiary hospital in Singapore, where he directed the vascular medicine service and the accredited vascular ultrasound imaging center, Dr. Chang now brings his expertise into private practice. Here, patients can access world-class cardiovascular and vascular care in a setting that is personal, supportive, and dedicated to lasting health.