There are over 100 MD-PhD programs affiliated with medical schools. If you are interested in applying for MD/PhD programs (https://www.aamc.org/students/research/mdphd/), it is in your best interest to apply to schools that accept and support many MD/PhD students. With that being said, here is a list of medical schools with the most MD-PhD spots. You’ll notice that many of these schools are top tier research schools that really try to push the forefront of medicine.
Raymond and Ruth Perelman School of Medicine at the University of Pennsylvania – 24
University of Illinois College of Medicine – 22
Weill Cornell Medical College -18
Washington University in St. Louis School of Medicine – 17
Johns Hopkins University School of Medicine – 15
Albert Einstein College of Medicine of Yeshiva University – 14
University of California, Los Angeles David Geffen School of Medicine – 14
University of Michigan Medical School – 14
Columbia University College of Physicians and Surgeons -14
University of Pittsburgh School of Medicine – 14
Harvard Medical School -13
Case Western Reserve University School of Medicine -12
Northwestern University The Feinberg School of Medicine – 12
Icahn School of Medicine at Mount Sinai -12
University of California, San Francisco, School of Medicine – 11
Vanderbilt University School of Medicine – 11
Ohio State University College of Medicine – 10
University of Wisconsin School of Medicine and Public Health -10
New York University School of Medicine – 10
Stanford University School of Medicine – 10
Yale School of Medicine -10