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

Dennis C. Hiller, DDS, PC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1992942049

Dennis C. Hiller, DDS, PC is an Orthodontics and Dentofacial Orthopedics Dentistry in Littleton, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2009.

Licensed in
NH
In the registry since
2009
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

175 Cottage St
Littleton, NH 03561-4201
Phone: (188) 844-5537
Fax: (603) 444-3316
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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 03583 (NH)

Record details

NPI number1992942049
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Dennis Hiller — President · (888) 445-5372
NPI enumeratedJanuary 12, 2009
Last updated in NPPESJanuary 12, 2009
Mailing address175 Cottage St, Littleton, NH 03561-4201

Other providers in Littleton