Matthew Williams, LPC
NPI 1598341679 · Professional Counselor · Lawrenceville, NJ
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Williams, LPC is a Professional Counselor provider in Lawrenceville, NJ (NPI 1598341679).
Provider details
- NPI number
- 1598341679
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- No
- License
- 37PC00745300 (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
5 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
- 2021-03-20
- Last updated
- 2025-12-19
- Certified
- 2025-12-19
Frequently asked questions
- What is Matthew Williams's NPI number?
- Matthew Williams's National Provider Identifier (NPI) is 1598341679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Williams's specialty?
- Matthew Williams is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Williams located?
- Matthew Williams's practice location on file with NPPES is 4 Princess Rd Ste 206, Lawrenceville, NJ 08648-2322.
- What is Matthew Williams's phone number?
- The practice phone number listed in the NPPES registry for Matthew Williams is (609) 482-3701.
- Does Matthew Williams accept Medicare?
- Matthew Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Williams's NPI active?
- Yes — Matthew Williams's NPI (1598341679) is active in the NPPES registry as of the last update on 2025-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.