IndividualActive
William Bass
NPI 1427559749 · Case Manager/Care Coordinator · Naperville, IL
William Bass is a Case Manager/Care Coordinator provider in Naperville, IL (NPI 1427559749).
Provider details
- NPI number
- 1427559749
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2984 Chevy Chase Ln
Naperville, IL 60564-6020
Phone: (630) 814-9525
Street-level locationGet directions
Mailing address
2984 Chevy Chase Ln
Naperville, IL 60564-6020
Registry dates
- Enumerated
- 2018-02-22
- Last updated
- 2018-02-22
Frequently asked questions
- What is William Bass's NPI number?
- William Bass's National Provider Identifier (NPI) is 1427559749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bass's specialty?
- William Bass is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is William Bass located?
- William Bass's practice location on file with NPPES is 2984 Chevy Chase Ln, Naperville, IL 60564-6020.
- What is William Bass's phone number?
- The practice phone number listed in the NPPES registry for William Bass is (630) 814-9525.
- Is William Bass's NPI active?
- Yes — William Bass's NPI (1427559749) is active in the NPPES registry as of the last update on 2018-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.