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Larry Klowden, LCSW
NPI 1588104483 · Clinical Social Worker · Chicago, IL
Larry Klowden, LCSW is a Clinical Social Worker provider in Chicago, IL (NPI 1588104483).
Provider details
- NPI number
- 1588104483
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 149.008620 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
446 E Ontario St
Chicago, IL 60611-4418
Phone: (312) 926-1473
Fax: (312) 926-7960
Street-level locationGet directions
Mailing address
446 E Ontario St
Chicago, IL 60611-4418
Registry dates
- Enumerated
- 2017-02-27
- Last updated
- 2017-07-07
Frequently asked questions
- What is Larry Klowden's NPI number?
- Larry Klowden's National Provider Identifier (NPI) is 1588104483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larry Klowden's specialty?
- Larry Klowden is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Larry Klowden located?
- Larry Klowden's practice location on file with NPPES is 446 E Ontario St, Chicago, IL 60611-4418.
- What is Larry Klowden's phone number?
- The practice phone number listed in the NPPES registry for Larry Klowden is (312) 926-1473.
- Is Larry Klowden's NPI active?
- Yes — Larry Klowden's NPI (1588104483) is active in the NPPES registry as of the last update on 2017-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.