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

Dr. John A Diddle, DDS, MS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1558385872

Dr. John A Diddle, DDS, MS is an Orthodontics and Dentofacial Orthopedics Dentistry in Knoxville, Tennessee. Practices as a sole proprietor. Licensed in Tennessee.

Licensed in
TN
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.

See every abbreviation used in this directory →

Practice location Address checks out

9220 Dutchtown Rd Ste 101
Knoxville, TN 37923-4925
Phone: (865) 693-6561
Fax: (865) 693-0522
Show map & directions

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

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence DS 2753 (TN)

Record details

NPI number1558385872
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MS
Sole proprietorYes
NPI enumeratedJuly 27, 2006
Last updated in NPPESJanuary 13, 2012
Mailing address9220 Dutchtown Rd, Suite 101, Knoxville, TN 37923-2745

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