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

John Ashhurst Treherne, DDS

Individual provider General Practice Dentistry · NPI 1487232294

John Ashhurst Treherne, DDS is a General Practice Dentistry in Washington, District of Columbia. Licensed in District of Columbia and Mississippi. Registered with an NPI since 2021.

Licensed in
DC, MS
In the registry since
2021
Specialties on file
2
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

3925 Minnesota Ave NE
Washington, DC 20019-2662
Phone: (202) 396-1444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DEN2000525 (DC)
General Practice Dentistry Taxonomy 1223G0001X · Licence 4364-23 (MS)

Record details

NPI number1487232294
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedApril 1, 2021
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025

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