Individual
DR. GREGORY WAYNE GRZESIK
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
D.O.
Contact information
Practice address
3400 MINISTRY PKWY, WESTON, WI 54476-5220
(715) 393-1220
Mailing address
1000 N OAK AVE, MARSHFIELD, WI 54449-5702
(715) 387-5511
Taxonomy
Speciality
Code
Description
License number
State
207R00000X
Internal Medicine Physician
125-062888
IL
207R00000X
Internal Medicine Physician
65797-21
WI
208M00000X
Hospitalist Physician
Primary
65797
WI
Other
Enumeration date
07/18/2013
Last updated
06/18/2025
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