Matthew Larson, CADC, RYT200
NPI 1437938537 · Addiction (Substance Use Disorder) Counselor · St Charles, IL
Matthew Larson, CADC, RYT200 is a Addiction (Substance Use Disorder) Counselor provider in St Charles, IL (NPI 1437938537).
Provider details
- NPI number
- 1437938537
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- CADC, RYT200
- Sex
- Male
- Sole proprietor
- No
- License
- 37495 (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
2 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
- 2023-09-27
- Last updated
- 2023-09-27
- Certified
- 2023-09-18
Frequently asked questions
- What is Matthew Larson's NPI number?
- Matthew Larson's National Provider Identifier (NPI) is 1437938537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Larson's specialty?
- Matthew Larson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Matthew Larson located?
- Matthew Larson's practice location on file with NPPES is 41w400 Silver Glen Rd, St Charles, IL 60175-8453.
- What is Matthew Larson's phone number?
- The practice phone number listed in the NPPES registry for Matthew Larson is (630) 940-1193.
- Is Matthew Larson's NPI active?
- Yes — Matthew Larson's NPI (1437938537) is active in the NPPES registry as of the last update on 2023-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.