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

Dr. Nathan H Mustain, MD

Individual provider Family Medicine Physician · NPI 1285078741

Dr. Nathan H Mustain, MD is a Family Practice in Holmen, Wisconsin. Graduated from University of Minnesota Medical School in 2013, 13 years ago. Practices with Gundersen Clinic Ltd, a 427-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
13
Trained at
University of Minnesota Medical School
Licensed in
WI
In the registry since
2013
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

500 N Holmen Dr
Holmen, WI 54636-9350
Phone: (608) 399-3091
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 65954-20 (WI)

Record details

NPI number1285078741
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2013
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2013 (13 years in practice)
Group practice Gundersen Clinic Ltd — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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