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
Mailing addressPo Box 2, Pewaukee, WI 53072-0002

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