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

Dr. John D Steiner, MD

Individual provider Internal Medicine Physician · NPI 1326155540

Dr. John D Steiner, MD is an Internal Medicine Physician in Oshkosh, Wisconsin. Works from 2 locations. Licensed in Wisconsin.

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

3151 Eden Ct
Oshkosh, WI 54904-6639
Phone: (920) 651-4000
Show map & directions

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

Additional practice locations (1)

  • 210 Wisconsin American Dr, Fond Du Lac, WI 54935 — (920) 907-7000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 33573 (WI)

Record details

NPI number1326155540
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESJanuary 22, 2024
Certification dateJanuary 22, 2024
Mailing addressPo Box 735044, Chicago, IL 60673-5044

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