William Breen, PHD
NPI 1407144918 · Clinical Psychologist · Slingerlands, NY
William Breen, PHD is a Clinical Psychologist provider in Slingerlands, NY (NPI 1407144918).
Provider details
- NPI number
- 1407144918
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 019169 (NY)
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
14 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
- 2011-07-18
- Last updated
- 2015-03-16
Frequently asked questions
- What is William Breen's NPI number?
- William Breen's National Provider Identifier (NPI) is 1407144918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Breen's specialty?
- William Breen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Breen located?
- William Breen's practice location on file with NPPES is 834 Kenwood Ave, Slingerlands, NY 12159-9621.
- What is William Breen's phone number?
- The practice phone number listed in the NPPES registry for William Breen is (518) 764-4141.
- Is William Breen's NPI active?
- Yes — William Breen's NPI (1407144918) is active in the NPPES registry as of the last update on 2015-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.