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Individual
DR. JOHN ALEXANDER DUFFY
Active
Individual
DR. JOHN ALEXANDER DUFFY
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207RS0010X
Sports Medicine (Internal Medicine) Physician
MT235940
PA
2080S0010X
Pediatric Sports Medicine Physician
Primary
MT235940
PA
208M00000X
Hospitalist Physician
Primary
66946
MN
390200000X
Student in an Organized Health Care Education/Training Program
—
—
Other
Enumeration date
03/28/2018
Last updated
07/05/2026
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