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

Mark E Lanser, MD

Individual provider Neurology Physician · NPI 1275574592

Mark E Lanser, MD is a Neurology Physician in Janesville, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2006.

Licensed in
WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3200 E Racine St
Janesville, WI 53546-2343
Phone: (608) 371-8000
Fax: (608) 371-8943
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 31143-020 (WI)
Sleep Medicine (Psychiatry & Neurology) Physician Taxonomy 2084S0012X · Licence 31143-20 (WI)

Record details

NPI number1275574592
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESMay 15, 2012

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