IndividualActive
Leslie Williams, PH.D.
NPI 1649303553 · Psychologist · Springfield, NJ
Leslie Williams, PH.D. is a Psychologist provider in Springfield, NJ (NPI 1649303553).
Provider details
- NPI number
- 1649303553
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- SI002551 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
55 Morris Ave
Suite 108
Springfield, NJ 07081-1426
Phone: (973) 218-0555
Fax: (973) 218-9595
Approximate (ZIP-level) locationGet directions
Mailing address
55 Morris Ave
Springfield, NJ 07081-1426
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leslie Williams's NPI number?
- Leslie Williams's National Provider Identifier (NPI) is 1649303553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Williams's specialty?
- Leslie Williams is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Leslie Williams located?
- Leslie Williams's practice location on file with NPPES is 55 Morris Ave, Springfield, NJ 07081-1426.
- What is Leslie Williams's phone number?
- The practice phone number listed in the NPPES registry for Leslie Williams is (973) 218-0555.
- Is Leslie Williams's NPI active?
- Yes — Leslie Williams's NPI (1649303553) 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.