IndividualActive
Isabel Longwell, LCSW
NPI 1215640453 · Clinical Social Worker · Chicago, IL
Isabel Longwell, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1215640453).
Provider details
- NPI number
- 1215640453
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 149024197 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
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
155 N Michigan Ave Ste 201
Chicago, IL 60601-7940
Phone: (312) 819-7381
Street-level locationGet directions
Mailing address
2960 N Lawndale Ave
Chicago, IL 60618-7321
Registry dates
- Enumerated
- 2023-01-03
- Last updated
- 2023-01-03
- Certified
- 2023-01-03
Frequently asked questions
- What is Isabel Longwell's NPI number?
- Isabel Longwell's National Provider Identifier (NPI) is 1215640453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isabel Longwell's specialty?
- Isabel Longwell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Isabel Longwell located?
- Isabel Longwell's practice location on file with NPPES is 155 N Michigan Ave Ste 201, Chicago, IL 60601-7940.
- What is Isabel Longwell's phone number?
- The practice phone number listed in the NPPES registry for Isabel Longwell is (312) 819-7381.
- Is Isabel Longwell's NPI active?
- Yes — Isabel Longwell's NPI (1215640453) is active in the NPPES registry as of the last update on 2023-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.