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

Nathanial I Kieler, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1144282773

Nathanial I Kieler, MD is a Pathology in Green Bay, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2002, 24 years ago. Practices with Pathology Consultants of Green Bay SC, a 6-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
24
Trained at
University of Wisconsin School of Medicine
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 →

Practice location Address checks out

744 S Webster Ave
Green Bay, WI 54301-3505
Phone: (920) 433-3653
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 645 (WI)

Record details

NPI number1144282773
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Pathology Consultants Of Green Bay Sc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Green Bay