Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michael J Gruesen, DO

Individual provider Anesthesiology Physician · NPI 1548366883

Michael J Gruesen, DO is an Anesthesiology in Green Bay, Wisconsin. Graduated from Philadelphia College of Osteopathic Medicine in 1993, 33 years ago. Practices with Green Bay Anesthesia Assoc SC, a 71-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
33
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
WI
In the registry since
2006
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.

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Practice location Address checks out

835 S Van Buren St
Green Bay, WI 54301-3526
Phone: (920) 433-0111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 42867 (WI)

Record details

NPI number1548366883
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 15, 2006
Last updated in NPPESDecember 31, 2021
Certification dateDecember 31, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1993 (33 years in practice)
Group practice Green Bay Anesthesia Assoc. Sc — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Green Bay