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

Ronald Jack Johnston, DDS

Individual provider Dentist · NPI 1093859100

Ronald Jack Johnston, DDS is a Dentist in Evans, Colorado. Licensed in Colorado. Registered with an NPI since 2007.

Licensed in
CO
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

2930 11th Ave
Evans, CO 80620-1011
Phone: (970) 350-4606
Fax: (970) 350-4645
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 7158 (CO)

Record details

NPI number1093859100
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedFebruary 20, 2007
Last updated in NPPESSeptember 24, 2015
Mailing address1006 A St, Greeley, CO 80631-2021

Other providers in Evans