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

Michael S Oldenburg, MD

Individual provider Otolaryngology Physician · NPI 1770847683

Michael S Oldenburg, MD is an Otolaryngology in Green Bay, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2012, 14 years ago. Practices with St Vincent Hospital-Hospital Sisters-Third Order of St Francis, a 594-clinician group and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
14
Trained at
University of Wisconsin School of Medicine
Licensed in
MN, WI
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1860 Shawano Ave
Green Bay, WI 54303-2667
Phone: (920) 496-4700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 67254-20 (WI)
Otolaryngology Physician Taxonomy 207Y00000X · Licence 56672 (MN)

Record details

NPI number1770847683
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2012
Last updated in NPPESFebruary 5, 2024
Certification dateFebruary 5, 2024
Mailing addressPo Box 19070, Green Bay, WI 54307-9070

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice St Vincent Hospital-Hospital Sisters-Third Order Of St Francis — 594 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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