William Sanderson, LCSW
NPI 1871574723 · Psychologist · New Brunswick, NJ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Sanderson, LCSW is a Psychologist provider in New Brunswick, NJ (NPI 1871574723).
Provider details
- NPI number
- 1871574723
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- SC01287 (NJ)
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
20 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
- 2005-11-08
- Last updated
- 2021-11-16
- Certified
- 2021-11-16
Frequently asked questions
- What is William Sanderson's NPI number?
- William Sanderson's National Provider Identifier (NPI) is 1871574723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sanderson's specialty?
- William Sanderson is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Sanderson located?
- William Sanderson's practice location on file with NPPES is 46 Bartlett St, New Brunswick, NJ 08901-1152.
- What is William Sanderson's phone number?
- The practice phone number listed in the NPPES registry for William Sanderson is (908) 759-3417.
- Does William Sanderson accept Medicare?
- William Sanderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Sanderson's NPI active?
- Yes — William Sanderson's NPI (1871574723) is active in the NPPES registry as of the last update on 2021-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.