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

Dr. Donald Massenburg, MD

Individual provider Rheumatology Physician · NPI 1932118536

Dr. Donald Massenburg, MD is a Rheumatology in Green Bay, Wisconsin. Graduated from Duke University School of Medicine in 1997, 29 years ago. Practices with St Vincent Hospital-Hospital Sisters-Third Order of St Francis, a 594-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
29
Trained at
Duke University School of Medicine
Licensed in
IL, WI
In the registry since
2006
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

3021 Voyager Dr
Green Bay, WI 54311-8303
Phone: (920) 496-4700
Fax: (920) 272-1108
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 36115006 (IL)
Rheumatology Physician Taxonomy 207RR0500X · Licence 61024 (WI)

Record details

NPI number1932118536
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESMarch 27, 2018

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolDUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 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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