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

Ryan Markus

Individual provider Registered Nurse · NPI 1720402787

Ryan Markus is a Registered Nurse in Fenton, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2014

Practice location Address checks out

3000 Crimson Oaks Dr
Fenton, MO 63026-8303
Phone: (314) 243-1950
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 2009009448 (MO)

Record details

NPI number1720402787
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedFebruary 11, 2014
Last updated in NPPESFebruary 11, 2014
Mailing address3000 Crimson Oaks Dr, Fenton, MO 63026-8303

Other providers in Fenton