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

Seth D Udlis, MD

Individual provider Family Medicine Physician · NPI 1891896445

Seth D Udlis, MD is a Family Practice in Fond Du Lac, Wisconsin. Qualified in 1990, 36 years ago. Practices with Agnesian Healthcare Inc, a 390-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
36
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

912 S Hickory St
Fond Du Lac, WI 54935-5530
Phone: (920) 929-7490
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 36396 (WI)

Record details

NPI number1891896445
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 26, 2006
Last updated in NPPESFebruary 3, 2021
Certification dateFebruary 3, 2021
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 specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Agnesian Healthcare Inc — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Fond Du Lac