Jeffrey Larson
NPI 1154657245 · Clinical Social Worker · Saint Charles, IL
Jeffrey Larson is a Clinical Social Worker provider in Saint Charles, IL (NPI 1154657245).
Provider details
- NPI number
- 1154657245
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 149012296 (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
16 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
- 2009-10-23
- Last updated
- 2009-10-23
Frequently asked questions
- What is Jeffrey Larson's NPI number?
- Jeffrey Larson's National Provider Identifier (NPI) is 1154657245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Larson's specialty?
- Jeffrey Larson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Jeffrey Larson located?
- Jeffrey Larson's practice location on file with NPPES is 451 Dunham Rd, Saint Charles, IL 60174-1431.
- What is Jeffrey Larson's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Larson is (630) 444-1801.
- Is Jeffrey Larson's NPI active?
- Yes — Jeffrey Larson's NPI (1154657245) is active in the NPPES registry as of the last update on 2009-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.