William Messer, LCSW, LADC
NPI 1306153937 · Clinical Social Worker · Buxton, ME
William Messer, LCSW, LADC is a Clinical Social Worker provider in Buxton, ME (NPI 1306153937).
Provider details
- NPI number
- 1306153937
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, LADC
- Sex
- Male
- Sole proprietor
- Yes
- License
- LC4530 (ME)
Specialties & taxonomies
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
15 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
- 2010-09-02
- Last updated
- 2010-09-02
Frequently asked questions
- What is William Messer's NPI number?
- William Messer's National Provider Identifier (NPI) is 1306153937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Messer's specialty?
- William Messer is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Messer located?
- William Messer's practice location on file with NPPES is 852 River Rd, Buxton, ME 04093-3923.
- What is William Messer's phone number?
- The practice phone number listed in the NPPES registry for William Messer is (207) 929-6074.
- Is William Messer's NPI active?
- Yes — William Messer's NPI (1306153937) is active in the NPPES registry as of the last update on 2010-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.