William Twombly, LMFT, LCPC
NPI 1568585008 · Marriage & Family Therapist · Alstead, NH
William Twombly, LMFT, LCPC is a Marriage & Family Therapist provider in Alstead, NH (NPI 1568585008).
Provider details
- NPI number
- 1568585008
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT, LCPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1418 (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2012-03-16
Frequently asked questions
- What is William Twombly's NPI number?
- William Twombly's National Provider Identifier (NPI) is 1568585008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Twombly's specialty?
- William Twombly is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Twombly located?
- William Twombly's practice location on file with NPPES is 440 Alstead Center Rd, Alstead, NH 03602-3537.
- What is William Twombly's phone number?
- The practice phone number listed in the NPPES registry for William Twombly is (603) 283-8942.
- Is William Twombly's NPI active?
- Yes — William Twombly's NPI (1568585008) is active in the NPPES registry as of the last update on 2012-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.