Individual provider · Type 1 NPI

Gregory Wayne Grzesik, DO

Hospitalist Physician · Weston, WI

NPI number 1316389372 Active

Practice location

3400 Ministry Pkwy
Weston, WI 54476-5220

Call (715) 393-1220 Map

Mailing address

1000 N Oak Ave
Marshfield, WI 54449-5702

Other practice locations

  • 2251 N Shore Dr, Rhinelander, WI 54501-6710 · (715) 361-4700

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X65797-21 (WI)
Internal Medicine Physician 207R00000X125-062888 (IL)
Hospitalist Physician Primary 208M00000X65797 (WI)

Hospitalist Physician: Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

140 other providers at this address

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About NPI 1316389372

Gregory Wayne Grzesik, DO's National Provider Identifier is 1316389372, issued on Jul 18, 2013. The primary taxonomy on file is Hospitalist Physician (208M00000X), and the practice location is in Weston, WI. The record was last updated on Jun 18, 2025.