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

Dr. Karen Joy Marienau, MD, MPH

Individual provider Public Health & General Preventive Medicine Physician · NPI 1457747974

Dr. Karen Joy Marienau, MD, MPH is a Public Health & General Preventive Medicine Physician in Saint Paul, Minnesota. Practices as a sole proprietor. Licensed in Minnesota.

Licensed in
MN
In the registry since
2015
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

2095 James Ave
Saint Paul, MN 55105-1317
Phone: (651) 699-6374
Show map & directions

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

Specialties & licences

Public Health & General Preventive Medicine Physician (primary) Taxonomy 2083P0901X · Licence 58808 (MN)

Record details

NPI number1457747974
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedApril 10, 2015
Last updated in NPPESApril 10, 2015

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