Becoming a surgeon requires a minimum of 13 years of education and training after high school: four years of undergraduate study, four years of medical school, and at least five years of surgical residency. Some surgical specialties require even longer, and optional fellowship training can add one to three more years on top of that.
Undergraduate Education
The path starts with a four-year bachelor’s degree. You can major in almost anything, but you’ll need to complete a specific set of prerequisite science courses to qualify for medical school. Most programs require roughly 8 credit hours each in biology, general chemistry, organic chemistry, and physics, plus courses in biochemistry. The exact requirements vary by medical school, so it’s worth checking the prerequisites for schools you’re interested in early in your college career.
Your major matters less than your grades and your science coursework. Students who major in English, history, or engineering get into medical school alongside biology majors, as long as the prerequisite boxes are checked. What does matter is your GPA, particularly in science courses, and your score on the MCAT (the standardized admissions test for medical school, typically taken in your junior year).
Beyond academics, the overwhelming majority of accepted medical school applicants have some form of clinical experience. Medical schools don’t usually specify a minimum number of hours, but spending time shadowing surgeons, volunteering in hospitals, or working as a medical scribe shows admissions committees that you understand what patient care actually looks like. Research experience, while not strictly required, also strengthens an application considerably.
Four Years of Medical School
Medical school is a four-year program that earns you either an MD (Doctor of Medicine) or a DO (Doctor of Osteopathic Medicine). The first two years are primarily classroom-based, covering foundational sciences like anatomy, physiology, pharmacology, pathology, and biochemistry. You’ll learn how the human body works, how diseases develop, and how medications interact with biological systems.
The final two years shift to clinical rotations in hospitals and clinics. You’ll rotate through different specialties, including internal medicine, pediatrics, obstetrics, psychiatry, and surgery, working directly with patients under supervision. For aspiring surgeons, the surgery rotation is a chance to confirm your interest and start building the skills and relationships that will shape your residency applications. These rotations also help you decide which type of surgery appeals to you most.
During medical school, you’ll also complete the United States Medical Licensing Examination (USMLE) in stages. Most students take Step 1 at the end of their second year and Step 2 during their fourth year. Step 3 comes later, usually during the first or second year of residency. Passing all three steps is required to practice medicine in the United States.
Surgical Residency: Five to Seven Years
Residency is where you actually learn to operate. After graduating from medical school, you enter a residency program through a national matching process. General surgery residency lasts a minimum of five years, making it one of the longer residency tracks in medicine. During this time, you progress from observing and assisting in the operating room to performing procedures independently under attending surgeon oversight.
If you’re pursuing a surgical specialty other than general surgery, the residency length varies:
- Orthopedic surgery: 5 years (includes one year of general surgery training)
- Plastic surgery: 6 years
- Neurosurgery: 7 years
Residency is notoriously demanding. You’ll work long hours, handle overnight calls, and gradually take on more responsibility for patient outcomes. By the end, you’re expected to function as an independent surgeon capable of managing complex cases and complications.
Optional Fellowship Training
After completing a general surgery residency, many surgeons pursue additional fellowship training to specialize further. Fellowships typically last one to three years depending on the subspecialty. Some of the most common options and their durations:
- Breast surgery: 1 year
- Colorectal surgery: 1 year
- Minimally invasive surgery: 1 year
- Surgical critical care: 1 year
- Hand surgery: 1 year
- Surgical oncology: 1 to 2 years
- Transplant surgery: 1 to 2 years
- Pediatric surgery: 1 to 2 years
- Vascular surgery: 1 to 2 years
- Cardiothoracic surgery: 2 to 3 years
Fellowship is optional for general surgeons, but it’s essentially required if you want to practice in a narrower field. A surgeon who wants to perform heart operations, for example, needs those extra two to three years of cardiothoracic training beyond a five-year general surgery residency.
Board Certification
Board certification through the American Board of Surgery is the final credential most surgeons pursue. It requires completing an accredited residency (and fellowship, if applicable), then passing two exams. The first is a written qualifying exam with multiple-choice questions. After passing that, you take an oral certifying exam where examiners present clinical scenarios and evaluate your decision-making in real time.
Board certification isn’t legally required to practice surgery, but virtually all hospitals require it for hiring and privileges. It signals to patients and employers that a surgeon has met a nationally recognized standard of competence. Surgeons must also maintain their certification over time through continuing education and periodic re-examination.
The Full Timeline
Adding it all up, the shortest path to practicing as a board-certified general surgeon is roughly 14 years after high school: four years of college, four years of medical school, and five or more years of residency, plus time for board exams. A neurosurgeon who completes a seven-year residency is looking at 15 years minimum. A cardiothoracic surgeon who does a general surgery residency followed by a two- to three-year fellowship could spend 16 to 17 years in training.
The financial reality is worth noting. Medical school tuition means most new surgeons carry significant student debt, and residency salaries, while decent compared to many jobs, are modest relative to the hours worked. The financial payoff comes after training is complete, but the investment of time and money is substantial. For most surgeons, the length of the journey is the price of doing work that requires an exceptionally high level of skill and judgment.