Robert Williams, PHD
NPI 1578929386 · Psychologist · Windham, ME
Robert Williams, PHD is a Psychologist provider in Windham, ME (NPI 1578929386).
Provider details
- NPI number
- 1578929386
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3439 (MA)
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
10 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
- 2016-01-08
- Last updated
- 2016-01-08
Frequently asked questions
- What is Robert Williams's NPI number?
- Robert Williams's National Provider Identifier (NPI) is 1578929386, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Williams's specialty?
- Robert Williams is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Robert Williams located?
- Robert Williams's practice location on file with NPPES is 24 Neal Rd, Windham, ME 04062-4974.
- What is Robert Williams's phone number?
- The practice phone number listed in the NPPES registry for Robert Williams is (207) 892-1205.
- Is Robert Williams's NPI active?
- Yes — Robert Williams's NPI (1578929386) is active in the NPPES registry as of the last update on 2016-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.