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

Mark W Grimm, MD

Individual provider Otolaryngology Physician · NPI 1942271689

Mark W Grimm, MD is an Otolaryngology Physician in Fenton, 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

1011 Bowles Ave Ste 405
Fenton, MO 63026-2395
Phone: (314) 965-9184
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 2001018662 (MO)

Record details

NPI number1942271689
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 31, 2006
Last updated in NPPESMay 19, 2011
Mailing addressPo Box 790379, Saint Louis, MO 63179-0379