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

Dr. Ruth Diane Spieker, DDS

Individual provider Dentist · NPI 1609970607

Dr. Ruth Diane Spieker, DDS is a Dentist in Iowa City, 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.

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Practice location Address checks out

322 S Dental Science Bldg
Iowa City, IA 52242-1001
Phone: (319) 335-7440
Fax: (319) 335-7451
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 7875 (IA)

Record details

NPI number1609970607
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorNo
NPI enumeratedSeptember 11, 2006
Last updated in NPPESJuly 8, 2007

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