Janette Williams, PSYD, HSPP
NPI 1487829768 · Clinical Psychologist · Naperville, IL
Janette Williams, PSYD, HSPP is a Clinical Psychologist provider in Naperville, IL (NPI 1487829768).
Provider details
- NPI number
- 1487829768
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD, HSPP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20042443A (IN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
18 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
- 2008-04-28
- Last updated
- 2012-02-02
Frequently asked questions
- What is Janette Williams's NPI number?
- Janette Williams's National Provider Identifier (NPI) is 1487829768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janette Williams's specialty?
- Janette Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Janette Williams located?
- Janette Williams's practice location on file with NPPES is 720 Raymond Drive, Naperville, IL 60563.
- What is Janette Williams's phone number?
- The practice phone number listed in the NPPES registry for Janette Williams is (708) 476-6682.
- Is Janette Williams's NPI active?
- Yes — Janette Williams's NPI (1487829768) is active in the NPPES registry as of the last update on 2012-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.