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

Nathan Daniel Gundacker, BS

Individual provider Internal Medicine Physician · NPI 1952690133

Nathan Daniel Gundacker, BS is an Internal Medicine in Milwaukee, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2011, 15 years ago. Practices with The Medical College of Wisconsin Inc, a 2,093-clinician group and accepts Medicare assignment. Licensed in Alabama and Wisconsin.

Years since qualifying
15
Trained at
University of Wisconsin School of Medicine
Licensed in
AL, WI
In the registry since
2011
Specialties on file
2
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.

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Practice location Address checks out

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone: (414) 805-6444
Fax: (414) 805-6702
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 67678 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 33420 (AL)

Record details

NPI number1952690133
Entity typeIndividual (Type 1)
GenderMale
Credentials BS
Sole proprietorNo
NPI enumeratedMarch 28, 2011
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice The Medical College Of Wisconsin Inc — 2093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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