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

Dr. John Dayton Lafferty, DDS

Individual provider General Practice Dentistry · NPI 1740354463

Dr. John Dayton Lafferty, DDS is a General Practice Dentistry in St Ansgar, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
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

312 W 4th St
St Ansgar, IA 50472-0069
Phone: (641) 736-4302
Fax: (641) 736-2060
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 05940 (IA)

Record details

NPI number1740354463
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address312 W. 4th St, P.O. Box 69, St. Ansgar, IA 50472-0069