William Long, PH.D.
NPI 1235295163 · Clinical Psychologist · Clifton Park, NY
William Long, PH.D. is a Clinical Psychologist provider in Clifton Park, NY (NPI 1235295163).
Provider details
- NPI number
- 1235295163
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4769 (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
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
- 2006-12-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Long's NPI number?
- William Long's National Provider Identifier (NPI) is 1235295163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Long's specialty?
- William Long is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Long located?
- William Long's practice location on file with NPPES is 56 Clifton Country Rd, Clifton Park, NY 12065-3838.
- What is William Long's phone number?
- The practice phone number listed in the NPPES registry for William Long is (518) 371-7202.
- Is William Long's NPI active?
- Yes — William Long's NPI (1235295163) 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.