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

Michael D. Otto, DDS

Individual provider General Practice Dentistry · NPI 1144342700

Michael D. Otto, DDS is a General Practice Dentistry in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2007.

Licensed in
IA
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

3223 4th St SW
Mason City, IA 50401-1583
Phone: (641) 424-6461
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 08229 (IA)

Record details

NPI number1144342700
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 4, 2007
Last updated in NPPESJuly 9, 2007
Mailing address30 Burr Oak Ln, Mason City, IA 50401-1400

Other providers in Mason City