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

Dr. John S. Echternach, DDS

Individual provider Dentist · NPI 1841209723

Dr. John S. Echternach, DDS is a Dentist in Henniker, New Hampshire. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
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.

See every abbreviation used in this directory →

Practice location Address checks out

28 Hall Ave
Henniker, NH 03242-3348
Phone: (603) 428-3419
Fax: (603) 428-3319
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 1414 (NH)

Record details

NPI number1841209723
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 7, 2006
Last updated in NPPESJuly 8, 2007
Mailing address28 Hall Ave, Henniker, NH 03242-3348