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

John F Showalter, MD

Individual provider Orthopaedic Hand Surgery Physician · NPI 1285623488

John F Showalter, MD is an Orthopaedic Hand Surgery Physician in Warrenville, Illinois. Licensed in Illinois. Registered with an NPI since 2005.

Licensed in
IL
In the registry since
2005
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

27650 Ferry Rd
Warrenville, IL 60555-3845
Phone: (630) 225-2663
Fax: (630) 225-2320
Show map & directions

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

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X (IL)

Record details

NPI number1285623488
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 19, 2005
Last updated in NPPESJuly 13, 2026

Other providers in Warrenville