William Ressl, MDIV, MSW, PHD, LCSW
NPI 1326785973 · Clinical Social Worker · Brookfield, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ressl, MDIV, MSW, PHD, LCSW is a Clinical Social Worker provider in Brookfield, IL (NPI 1326785973).
Provider details
- NPI number
- 1326785973
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MDIV, MSW, PHD, LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- 149.013587 (IL)
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
4 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
- 2022-05-16
- Last updated
- 2022-05-16
- Certified
- 2022-05-16
Frequently asked questions
- What is William Ressl's NPI number?
- William Ressl's National Provider Identifier (NPI) is 1326785973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ressl's specialty?
- William Ressl is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Ressl located?
- William Ressl's practice location on file with NPPES is 3604 Sunnyside Ave, Brookfield, IL 60513-1630.
- What is William Ressl's phone number?
- The practice phone number listed in the NPPES registry for William Ressl is (708) 387-7986.
- Does William Ressl accept Medicare?
- William Ressl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ressl's NPI active?
- Yes — William Ressl's NPI (1326785973) is active in the NPPES registry as of the last update on 2022-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.