Silvia Diaz, LCSW
NPI 1003204686 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Silvia Diaz, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1003204686).
Provider details
- NPI number
- 1003204686
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
11 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 2750 W North AveChicago, IL 60647-5247Phone: (312) 666-3494Fax: (312) 666-6228
- 1414 Main StMelrose Park, IL 60160-3902Phone: (708) 681-0073Fax: (708) 681-3958
Registry dates
- Enumerated
- 2015-01-05
- Last updated
- 2023-11-29
- Certified
- 2023-11-29
Frequently asked questions
- What is Silvia Diaz's NPI number?
- Silvia Diaz's National Provider Identifier (NPI) is 1003204686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Silvia Diaz's specialty?
- Silvia Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Silvia Diaz located?
- Silvia Diaz's practice location on file with NPPES is 2750 W North Ave, Chicago, IL 60647-5247.
- What is Silvia Diaz's phone number?
- The practice phone number listed in the NPPES registry for Silvia Diaz is (312) 666-3494.
- Does Silvia Diaz accept Medicare?
- Silvia Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Silvia Diaz's NPI active?
- Yes — Silvia Diaz's NPI (1003204686) is active in the NPPES registry as of the last update on 2023-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.