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

Brandon Dillenback, FNP

Individual provider Nurse Practitioner · NPI 1275088072

Brandon Dillenback, FNP is a Nurse Practitioner in Fond Du Lac, Wisconsin. Qualified in 2023, 3 years ago. Practices with Agnesian Healthcare Inc, a 390-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
3
Licensed in
WI
In the registry since
2016
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

420 E Division St
Fond Du Lac, WI 54935-4560
Phone: (920) 926-8573
Fax: (920) 926-8923
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 14338-33 (WI)

Record details

NPI number1275088072
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorYes
NPI enumeratedAugust 22, 2016
Last updated in NPPESAugust 3, 2023
Certification dateAugust 3, 2023
Mailing address420 E Division St, Fond Du Lac, WI 54935-4560

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Agnesian Healthcare Inc — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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