Individual
NICKOLAS S DEMARK
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
DO
Contact information
Practice address
1229 C AVE E, OSKALOOSA, IA 52577-4298
(641) 672-3100
Mailing address
1229 C AVE E, OSKALOOSA, IA 52577-4298
(641) 672-3236
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
5101019580
MI
207R00000X
Internal Medicine Physician
62482
WI
207RH0002X
Hospice and Palliative Medicine (Internal Medicine) Physician
Primary
DO-06639
IA
208M00000X
Hospitalist Physician
62482
WI
Other
Enumeration date
06/30/2011
Last updated
09/11/2025
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