William Treese, MSW
NPI 1285999714 · Clinical Social Worker · Chicago, IL
William Treese, MSW is a Clinical Social Worker provider in Chicago, IL (NPI 1285999714).
Provider details
- NPI number
- 1285999714
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- SW128277 (PA)
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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 901 Rancho LnLas Vegas, NV 89106-3836Phone: (702) 636-3000
Registry dates
- Enumerated
- 2012-07-11
- Last updated
- 2019-03-22
Frequently asked questions
- What is William Treese's NPI number?
- William Treese's National Provider Identifier (NPI) is 1285999714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Treese's specialty?
- William Treese is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Treese located?
- William Treese's practice location on file with NPPES is 820 S Damen Ave # 122, Chicago, IL 60612-3728.
- What is William Treese's phone number?
- The practice phone number listed in the NPPES registry for William Treese is (312) 569-8043.
- Is William Treese's NPI active?
- Yes — William Treese's NPI (1285999714) is active in the NPPES registry as of the last update on 2019-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.