Individual
JOHN DONALD MAHAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
555 S 18TH ST, COLUMBUS, OH 43205-2654
(614) 722-4362
(614) 722-6482
Mailing address
700 CHILDRENS DR, COLUMBUS, OH 43205-2664
(614) 722-2000
Taxonomy
Speciality
Code
Description
License number
State
2080P0210X
Pediatric Nephrology Physician
Primary
35050467
OH
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
0549992
CGS - MEDICARE
OH
05
—
0562529
—
OH
Enumeration date
08/31/2005
Last updated
02/20/2026
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