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

Marsha K. Mertens, MD

Individual provider Family Medicine Physician · NPI 1902870025

Marsha K. Mertens, MD is a Family Medicine Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

12680 Olive Blvd Ste 300
Saint Louis, MO 63141-6322
Phone: (314) 251-8888
Fax: (314) 251-8889
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence R5E95 (MO)

Record details

NPI number1902870025
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESOctober 15, 2011

Other providers in Saint Louis