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

Dr. Ralph S Guercio, DDS

Individual provider Dentist · NPI 1205979549

Dr. Ralph S Guercio, DDS is a Dentist in Merrimack, New Hampshire. Licensed in Massachusetts and New Hampshire. Registered with an NPI since 2007.

Licensed in
MA, NH
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

382 Daniel Webster Hwy
Merrimack, NH 03049
Phone: (603) 424-6131
Fax: (603) 424-3620
Show map & directions

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

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence NH1517 (NH)
Dentist Taxonomy 122300000X · Licence 13303 (MA)

Record details

NPI number1205979549
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedFebruary 15, 2007
Last updated in NPPESJuly 8, 2007

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