Degrees Required to Become a Doctor (Premed Path)

To become a physician in the United States, you usually complete a bachelor’s degree, required premedical courses, and the MCAT, then earn an MD or DO degree, complete residency, and meet state licensing rules. There is no required premed major or single national prerequisite list; each medical school sets its own admissions policies.

This route has changed in details over time, but its core stages remain: undergraduate preparation, medical school, residency, and licensure. The challenge is planning them without taking courses that fail to meet a target school’s rules or spending more time and money than needed. I find that the best first step is to work backward from the medical schools you may apply to, rather than choose a major based on its name.

Medical School Admissions: MD, DO, and Premed Overview

A premed path is the undergraduate preparation and application work that can qualify you to enter medical school. You do not earn a universal “premed degree.” Most U.S. medical schools expect a bachelor’s degree before you start, but they set their own coursework and application rules.

An MD is a Doctor of Medicine degree. A DO is a Doctor of Osteopathic Medicine degree. Both are physician degrees in the United States, and graduates pursue residency training and state licensure. MD programs are accredited by the Liaison Committee on Medical Education (LCME); DO programs are accredited by the Commission on Osteopathic College Accreditation (COCA).

The major is generally flexible. Students enter medical school with degrees in biology, chemistry, psychology, humanities, and many other fields. What matters is completing the degree requirements, meeting each school’s prerequisites, and presenting evidence that you are prepared for medical study.

There is no single national admissions checklist. Schools may differ on required courses, lab work, accepted online or transfer credits, and how long ago coursework can be completed. Check the current policies of each school you might apply to. Confirm that the medical school is accredited through LCME or COCA, and check your undergraduate institution’s accreditation using the U.S. Department of Education’s recognized-accreditor database or CHEA.

Bachelor’s Degree, Prerequisites, and Application Requirements

A bachelor’s degree is usually the main undergraduate credential for medical school entry. Most U.S. bachelor’s programs require about 120 semester credits, but the college catalog sets the actual degree and residency rules. Medical schools separately decide which courses satisfy their prerequisites.

Common premedical preparation includes biology, general chemistry, organic chemistry, physics, and related lab courses. Many schools also expect biochemistry, writing or English, and behavioral or social science coursework. These are common patterns, not a universal list. Course counts, lab rules, AP credit, and community-college policies vary, so compare each school’s current requirements before registering.

The MCAT is the Medical College Admission Test. Most MD and DO applicants take it, but check each program’s current policy and score-validity window. For a planning benchmark, AAMC’s 2024–25 entering-class profile reported an average GPA of about 3.81 and an average MCAT score of about 512. These are class averages, not minimums, guarantees, or requirements for every school. DO programs publish their own class profiles, which should be reviewed separately.

Applications commonly open in spring for entry the following year. Applicants may use AMCAS for most MD programs, AACOMAS for DO programs, and TMDSAS for participating Texas schools. Each service and school has its own dates and steps. Submit early within the cycle when your materials are ready, and allow time for secondary applications, recommendations, and interviews.

A practical planning sequence is:

• Select an accredited undergraduate institution and a major you can sustain.
• List potential MD and DO schools, then map their prerequisites against your degree plan.
• Check lab, AP, online, community-college, and course-expiration policies directly.
• Ask a school for written guidance before relying on a course whose acceptance is unclear.
• Confirm separately that transfer courses count toward your bachelor’s degree.
• Plan for the MCAT, recommendations, and application timing after reviewing school requirements.

A prerequisite mismatch can cost time and money. For example, a course may count toward your bachelor’s degree but not meet a medical school’s specific lab or subject rule. Do not assume one school’s policy applies to another. If you already have a degree, ask target schools whether your prior coursework is accepted and which courses, if any, you need to repeat.

Financial planning belongs in the early steps, too. Complete the FAFSA for federal aid, and check whether target colleges require the CSS Profile or other aid forms. Compare net price and likely borrowing, not only published tuition. A lower sticker price does not by itself show what you will pay after aid.

Academic Success, Clinical Exposure, and Student Experience

Medical schools assess more than a major or a list of completed courses. They review academic performance and other parts of an application, which can include clinical exposure, service, recommendations, and interviews. Policies differ by school, so build a balanced record while keeping your coursework and health sustainable.

A science major is not required everywhere, and choosing one does not remove the need to complete your school’s degree requirements. A different major can offer a strong fit with your interests, but you still need to schedule science prerequisites, labs, and MCAT preparation. Talk with an undergraduate prehealth adviser early, then verify advice against each medical school’s own rules.

Students should aim for strong performance in both science and non-science courses. No universal GPA cutoff applies across U.S. medical schools. If your grades fall below your goals, review the cause and seek academic support before adding more commitments. AAMC’s entering-class average is useful context, but an average cannot predict an individual result or substitute for school-specific data.

Clinical exposure helps applicants understand patient care and the work of health professionals. Service and other sustained experiences can also help show how you engage with people and communities. Activities should reflect real interests and learning, not be selected only to look impressive. Keep a clear record of your roles, dates, hours, and what you learned.

Planning scenario: An adult learner with a full-time job and a prior degree may have some science coursework already completed. Before enrolling in a new post-baccalaureate course, that person can compare transcripts with target schools’ policies, ask about credit acceptance, and map the remaining classes in sequence. This can help avoid repeating acceptable work, while still leaving time for labs, the MCAT, and application tasks.

Build the schedule around course prerequisites. For instance, later chemistry courses may require earlier ones, and lab sections can limit available class times. Ask an adviser to review the sequence, but use the medical schools’ current admissions pages as the final check. If you need to study while working, plan a realistic course load and account for application preparation as well as class hours.

Residency, Licensure, and Physician Career Pathways

Medical school is not the final step to practicing independently. After earning an MD or DO, graduates enter residency training, then meet licensing requirements set by the state where they seek to practice. Specialty training, exams, and other rules depend on the pathway and applicable authorities.

During medical school, students learn clinical skills and complete training that prepares them for the next stage. After graduation, they apply to residency programs. Residency is supervised, specialty-based training; its length and requirements vary by field. Completing medical school alone does not mean a graduate has completed residency or holds an unrestricted state license.

State medical boards set licensure requirements. These may include medical education, exams, residency training, and other application steps. Requirements can differ by state, so check the board where you plan to practice. Also verify that the medical school is accredited and that its training meets the requirements relevant to your intended pathway.

When comparing medical-school offers, look beyond the degree letters. Review accreditation, curriculum, clinical training, location, total cost, financial aid, and available residency outcomes. Ask how each school reports its results and compare like with like. Then review aid offers and borrowing needs before accepting an enrollment option.

The full path is often several years long: undergraduate study, medical school, and residency. The exact timeline depends on prior credits, course sequencing, application timing, and specialty training. For working adults, the most useful move is to confirm each stage and its time demands before committing to a course plan.

Conclusion and FAQs

The route to becoming a doctor is a sequence, not one required undergraduate major. Most applicants complete a bachelor’s degree, meet school-specific prerequisites, take the MCAT when required, and apply to MD or DO programs. Medical school is followed by residency and state licensure. Confirm details with each school and licensing board before making costly decisions.

What degree do you need to become a doctor?

Most U.S. medical schools expect applicants to earn a bachelor’s degree before enrollment. The major is generally flexible, but applicants must meet the school’s prerequisite and admissions rules.

Is there a required premed major?

No single major is universally required. Choose a major that fits your interests and degree plan, then ensure you can complete the prerequisites for the schools you may apply to.

Can you become a doctor with a non-science degree?

Yes, in many cases. You must still complete the science and other coursework required by your target medical schools and meet their application policies.

What classes are required for medical school?

Common preparation includes biology, general and organic chemistry, physics, and labs. Many schools also expect biochemistry, writing or English, and behavioral or social sciences. Requirements vary by school.

Do all medical schools require the MCAT?

Most MD and DO applicants take the MCAT, but policies can differ. Check each program’s requirements, including how long it accepts a score.

Is a 3.81 GPA required for medical school?

No. About 3.81 was the average GPA reported for the AAMC’s 2024–25 entering class. It is not a universal cutoff or a guarantee of admission.

Can community-college courses count as prerequisites?

Some schools may accept them, while others may apply limits or different rules. Ask each target school and get written guidance before relying on a course.

Do AP or online courses meet medical-school prerequisites?

Policies vary. Confirm whether each school accepts the specific AP credit or online course, and whether it requires a lab or an in-person course.

What is the difference between an MD and a DO?

MD and DO are physician degrees from different medical education pathways. Both lead to residency training and state licensure, subject to the relevant requirements.

How long does it take to become a doctor?

The path includes undergraduate study, medical school, and residency. The total time varies based on prior education, course planning, and the residency specialty.

What should I check before choosing a medical school?

Confirm LCME or COCA accreditation, curriculum, clinical training, location, total cost, aid, and residency outcomes. Also review the state licensing rules relevant to your career plans.

(This article was written by one of our staff writers, Richard Thornton. Visit our Meet the Team page.)