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

Mr. Marc Elwin Keen, MD

Individual provider Cytopathology Physician · NPI 1851362966

Mr. Marc Elwin Keen, MD is a Cytopathology Physician in Ludington, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
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.

See every abbreviation used in this directory →

Practice location Address checks out

1 N Atkinson Dr
Ludington, MI 49431-1906
Phone: (231) 845-2362
Fax: (231) 845-2440
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 4301057451 (MI)
Cytopathology Physician Taxonomy 207ZC0500X · Licence 4301057451 (MI)

Record details

NPI number1851362966
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 27, 2006
Last updated in NPPESJanuary 15, 2008
Mailing addressPo Box 306, Ludington, MI 49431-0306