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

Mr. William Twombly, LMFT, LCPC

Individual provider Professional Counselor · NPI 1568585008

Mr. William Twombly, LMFT, LCPC is a Professional Counselor in Alstead, New Hampshire. Practices as a sole proprietor. Licensed in Montana and New Hampshire.

Licensed in
MT, NH
In the registry since
2007
Specialties on file
3
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

440 Alstead Center Rd
Alstead, NH 03602-3537
Phone: (603) 283-8942
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 145 (NH)
Professional Counselor Taxonomy 101YP2500X · Licence 1418 (MT)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 6 (MT)

Record details

NPI number1568585008
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT , LCPC
Sole proprietorYes
NPI enumeratedApril 9, 2007
Last updated in NPPESMarch 16, 2012