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

Dr. Ronald Ommen Masters II, DC

Individual provider Chiropractor · NPI 1588827471

Dr. Ronald Ommen Masters II, DC is a Chiropractor in Mason City, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2008
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

100 1st St NW Ste 110
Mason City, IA 50401-3172
Phone: (641) 421-1116
Fax: (641) 421-1117
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 02936 (IA)

Record details

NPI number1588827471
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorYes
NPI enumeratedJuly 9, 2008
Last updated in NPPESJuly 9, 2008

Other providers in Mason City