Joan Vargas-Herzfeldt, LCSW, CADC
NPI 1326768599 · Clinical Social Worker · Chicago, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Vargas-Herzfeldt, LCSW, CADC is a Clinical Social Worker provider in Chicago, IL (NPI 1326768599).
Provider details
- NPI number
- 1326768599
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW, CADC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149025275 (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
3 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
- 2022-08-29
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Joan Vargas-Herzfeldt's NPI number?
- Joan Vargas-Herzfeldt's National Provider Identifier (NPI) is 1326768599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Vargas-Herzfeldt's specialty?
- Joan Vargas-Herzfeldt is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Joan Vargas-Herzfeldt located?
- Joan Vargas-Herzfeldt's practice location on file with NPPES is 4701 N Broadway St Ste 1, Chicago, IL 60640-4908.
- What is Joan Vargas-Herzfeldt's phone number?
- The practice phone number listed in the NPPES registry for Joan Vargas-Herzfeldt is (773) 271-0657.
- Does Joan Vargas-Herzfeldt accept Medicare?
- Joan Vargas-Herzfeldt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Vargas-Herzfeldt's NPI active?
- Yes — Joan Vargas-Herzfeldt's NPI (1326768599) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.