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

Gordon D Langejans, MD

Individual provider Internal Medicine Physician · NPI 1164567509

Gordon D Langejans, MD is an Internal Medicine Physician in Rockford, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
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

2400 N Rockton Ave
Rockford, IL 61103-3655
Phone: (815) 971-5000
Fax: (815) 968-9340
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1164567509
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJuly 8, 2007

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