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

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1215017835

Dr. John Mergen Mergen, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Iowa City, Iowa. Practices as a sole proprietor. Licensed in Iowa.

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.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1509 Mall Dr Ste 1
Iowa City, IA 52240-3111
Phone: (319) 688-0800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence 7784 (IA)

Record details

NPI number1215017835
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESJuly 8, 2007

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