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Dr. Ryan Thomas Callahan, MD, DPM is a surgeon in Boston, MA specializing in surgery and podiatry (foot & ankle medicine). Dr. Ryan Thomas Callahan, MD, DPM is affiliated with U.S. Department of Veterans Affairs.
He has a state license in California.
Licensed In: California
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Dr. Ryan Callahan is a specialist in surgery and podiatry (foot & ankle medicine). He is affiliated with U.S. Department of Veterans Affairs.