IndividualActive
Francisco Diaz
NPI 1659174738 · Social Worker · Chicago, IL
Francisco Diaz is a Social Worker provider in Chicago, IL (NPI 1659174738).
Provider details
- NPI number
- 1659174738
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(48/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
646 N Lawndale Ave
Chicago, IL 60624-1254
Phone: (312) 666-3494
Street-level locationGet directions
Mailing address
2312 Elm St
River Grove, IL 60171-1804
Registry dates
- Enumerated
- 2025-04-01
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Francisco Diaz's NPI number?
- Francisco Diaz's National Provider Identifier (NPI) is 1659174738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francisco Diaz's specialty?
- Francisco Diaz is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Francisco Diaz located?
- Francisco Diaz's practice location on file with NPPES is 646 N Lawndale Ave, Chicago, IL 60624-1254.
- What is Francisco Diaz's phone number?
- The practice phone number listed in the NPPES registry for Francisco Diaz is (312) 666-3494.
- Is Francisco Diaz's NPI active?
- Yes — Francisco Diaz's NPI (1659174738) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.