Dr. Gregory Wayne Grzesik, DO
Dr. Gregory Wayne Grzesik, DO is a Hospitalist in Weston, Wisconsin. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2013, 13 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.
- Years since qualifying
- 13
- Trained at
- Lake Erie College of Osteopathic Medicine, Erie
- Licensed in
- IL, WI
- In the registry since
- 2013
- Specialties on file
- 3
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
3400 Ministry PkwyWeston, WI 54476-5220
Phone: (715) 393-1220
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 2251 N Shore Dr, Rhinelander, WI 54501-6710 — (715) 361-4700
Specialties & licences
| Hospitalist Physician (primary) | Taxonomy 208M00000X · Licence 65797 (WI) |
|---|---|
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 65797-21 (WI) |
| Internal Medicine Physician | Taxonomy 207R00000X · Licence 125-062888 (IL) |
Record details
| NPI number | 1316389372 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | July 18, 2013 |
| Last updated in NPPES | June 18, 2025 |
| Certification date | June 18, 2025 |
| Mailing address | 1000 N Oak Ave, Marshfield, WI 54449-5702 |
Medicare enrollment
| Medicare specialty | HOSPITALIST |
|---|---|
| Medical school | LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE |
| Graduated | 2013 (13 years in practice) |
| Group practice | McHs Hospitals Inc — 1194 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 3 on file with Medicare |
Other providers in Weston
-
Dr. Mohamed Fouzi Abdul Hameed, MD
3400 Ministry Pkwy, Weston, WI 54476-5220 · (715) 393-3000
-
Keshani Bhushan, MD
3400 Ministry Pkwy, Weston, WI 54476-5220 · (715) 393-3000
-
Dr. Cary Erwin Fechter, MD
3301 Cranberry Blvd, Weston, WI 54476-5216 · (715) 393-3900
-
Frontier Health Consulting LLC
6005 River Pines Ct, Weston, WI 54476-1978 · (440) 463-2498
-
Bart J Isaacson, MD
3501 Cranberry Blvd, Weston, WI 54476 · (715) 393-1059
-
Eromi S Jayasingha, MD
3400 Ministry Pkwy, Weston, WI 54476-5220 · (715) 393-3000
-
Winfred M Kiamah, MD
3400 Ministry Pkwy, Weston, WI 54476-5220 · (715) 393-1000
-
Samantha Lee Klebe, DO
3400 Ministry Pkwy, Weston, WI 54476-5220 · (715) 393-1000