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

Dr. Lynne D Langlois, DO

Individual provider Internal Medicine Physician · NPI 1265499198

Dr. Lynne D Langlois, DO is an Internal Medicine Physician in Mequon, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2006
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.

See every abbreviation used in this directory →

Practice location Address checks out

2114 W Columbia Dr
Mequon, WI 53092-5645
Phone: (414) 324-8287
Fax: (262) 797-9122
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 24397 (WI)

Record details

NPI number1265499198
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 26, 2006
Last updated in NPPESAugust 30, 2019

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