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

Jonathan William Jansen, DO

Individual provider Internal Medicine Physician · NPI 1114169166

Jonathan William Jansen, DO is an Internal Medicine Physician in Winfield, Illinois. Works from 3 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2009
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

25 N Winfield Rd
Winfield, IL 60190-1295
Phone: (630) 933-4700
Fax: (630) 933-4427
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 300 Randall Rd, Geneva, IL 60134-4220 — (630) 933-4700
  • 12251 S. 80th Avenue, Palos Heights, IL 60463 — (708) 923-5869

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036136259 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036136259 (IL)

Record details

NPI number1114169166
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 6, 2009
Last updated in NPPESMay 24, 2023
Certification dateMay 24, 2023
Mailing address12251 S. 80th Avenue, Med Staff Office Suite 1630, Palos Heights, IL 60463

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