Individual
DR. JOHN MICHAEL CALLAHAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
M.D.
Contact information
Practice address
1000 LANGWORTHY ST, DUBUQUE, IA 52001-7313
(563) 584-3440
(563) 584-3009
Mailing address
1500 ASSOCIATES DR., DUBUQUE, IA 52002-2201
(563) 584-4100
(563) 584-4110
Taxonomy
Speciality
Code
Description
License number
State
208000000X
Pediatrics Physician
Primary
MD-44274
IA
Other
Enumeration date
06/11/2014
Last updated
07/05/2017
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