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Individual
CHRISTOPHER T GRENNAN
Active
Individual
CHRISTOPHER T GRENNAN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
207Q00000X
Family Medicine Physician
Primary
04-35075
KS
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
068002220
MEDICARE PTAN
KS
05
—
201084510A
—
KS
Enumeration date
05/26/2010
Last updated
02/12/2026
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