William Stableford, PH.D.
NPI 1336255355 · Clinical Psychologist · Guilford, CT
William Stableford, PH.D. is a Clinical Psychologist provider in Guilford, CT (NPI 1336255355).
Provider details
- NPI number
- 1336255355
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 1047 (CT)
Specialties & taxonomies
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
- 2006-08-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Stableford's NPI number?
- William Stableford's National Provider Identifier (NPI) is 1336255355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stableford's specialty?
- William Stableford is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Stableford located?
- William Stableford's practice location on file with NPPES is 152 Broad St, Guilford, CT 06437-2603.
- What is William Stableford's phone number?
- The practice phone number listed in the NPPES registry for William Stableford is (203) 453-5235.
- Is William Stableford's NPI active?
- Yes — William Stableford's NPI (1336255355) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.