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By: Savanna Perry, PA-C · Last updated June 12, 2026
PA school takes about 24-36 months with no required residency and lets you switch specialties throughout your career. Medical school takes 4 years plus a 3-7 year required residency, with deeper training in one chosen specialty. The right choice depends on how you want to practice, not on which one is "better."
The prerequisite coursework is largely the same. The big difference is hands-on experience: PA programs typically require substantial direct patient care experience (often 1,000+ hours), while medical schools generally don't. Both expect volunteering and shadowing.
PA programs are accelerated, so they expect you to arrive prepared because there's little time to re-teach foundations that medical school has four years to cover.
Medical school requires the MCAT. PA schools mostly use CASPA, and only a shrinking minority of programs still require the GRE. Some accept the MCAT, and many require no test at all. ⚠ VERIFY current GRE-required count
Medical schools run an early, fall-start application cycle. PA programs start at different times of the year, so deadlines and start dates vary program to program, and most use rolling admissions, so applying early works in your favor.
Medical school is 4 years (2 didactic, 2 clinical) plus the Step exams along the way. Lectures are often recorded and optional. After graduation comes the required residency (3-7 years depending on specialty), which is paid training and where physicians truly learn to practice independently.
PA school is 24-36 months, year-round with no summers off. Didactic days commonly run 8-5 with required attendance and at least one exam most weeks, and most programs discourage or prohibit working. Clinical year mirrors medical school rotations, often alongside medical students. After graduation, you pass the PANCE and you can practice. No residency required (optional PA residencies exist for those who want specialty depth).
Both PAs and physicians diagnose, treat, and prescribe in clinics and hospitals. The biggest practical differences:
Specialty flexibility. Physicians train into one specialty and changing later usually means more training. PAs can move between specialties throughout their career (dermatology to emergency medicine to surgery), which is one of the profession's biggest draws.
Autonomy and ownership. Physicians can own practices anywhere; PA practice authority varies by state and has been expanding, but PAs generally work in collaboration with physicians. Day-to-day independence depends heavily on specialty and practice setting.
Depth vs breadth. Residency gives physicians unmatched depth in one field. PAs build expertise on the job and trade some depth for flexibility and a much shorter, cheaper training path.
Ask yourself three questions:
Do you want the final say and the deepest possible expertise in one field? That points to medical school.
Does committing to 7+ more years of school and one specialty forever stress you out more than excite you? That points to PA.
How do you feel about teamwork vs having the last word? PAs who love the role tend to like having collaborators, while physicians are the ones carrying the final responsibility.
There's no wrong answer because both careers put you at the center of patient care. The mistake is choosing PA as a "shortcut to MD" or choosing MD for prestige. Choose the role whose day-to-day reality you actually want.
On episode 7 of The Pre-PA Club, Savanna talked this through with Dr. Ryan Gray of Medical School HQ, which is about as close as you get to hearing both sides in one conversation.
PA or MD? Here's how I'd think about it.
This is one of the most common questions I get, and the honest answer is that it comes down to what you want your life to look like. Not which path is harder. Not which one sounds more impressive.
I brought on Dr. Ryan Gray to help me compare the two, so you're hearing it from both sides instead of just from me.
What we cover
Length and cost of training for each path
Scope of practice and how much autonomy PAs really have
Switching specialties without starting over
Salary and lifestyle tradeoffs
How the prerequisites and applications differ
The questions to ask yourself before you commit either way
Resources
Follow The Pre-PA Club: Apple Podcasts · Spotify · All episodes
I graduated from PA school while my husband was a fourth-year medical student, so our house went through both paths at once: the applications, the didactic years, Step exams, Match Day, all of it. There are moments I've wished for the depth a residency provides, and I built that knowledge on the job instead. But watching the 7+ year road up close confirmed my choice. The flexibility and timeline of the PA route fit the life I wanted.
PAs can change specialties without going back to school. It's called lateral mobility, and it's one of the most underrated advantages of the profession.
PA school: about 24-36 months, no required residency, practice after passing the PANCE.
Medical school: 4 years plus a required 3-7 year residency.
PA programs require patient care hours; med schools generally don't.
PAs keep lifelong specialty flexibility, while physicians get unmatched depth in one field.
Decide based on the daily job you want, not prestige or timeline alone.
Neither is easy. PA school acceptance rates are comparable to or lower than many medical schools. The requirements differ: PA programs emphasize patient care hours, while med schools emphasize the MCAT and research.
PA school takes about 24-36 months. Medical school is 4 years plus a required residency of 3-7 years.
No. Optional PA residencies and fellowships exist for extra specialty training, but most PAs start practicing right after passing the PANCE.
Yes. PAs can move between specialties throughout their careers without returning to school. Physicians generally cannot without additional training.
Yes, in all 50 states, with some state-level variation in specifics (for example, certain controlled substances).
Choose MD if you want maximum depth and the final say in one specialty. Choose PA if flexibility, teamwork, and a faster path to patient care fit you better.
If you're on the fence, shadow both PAs and physicians in the same specialty and compare their actual days. And if you keep coming back to flexibility, teamwork, and getting to patients sooner, the PA path is worth pursuing wholeheartedly and not just as a backup plan.

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