Nathan Larson, LCSW
NPI 1427194299 · Clinical Social Worker · Saint Louis, MO
Nathan Larson, LCSW is a Clinical Social Worker provider in Saint Louis, MO (NPI 1427194299).
Provider details
- NPI number
- 1427194299
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- SW001056 (MO)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
19 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
- 2007-01-29
- Last updated
- 2024-01-12
- Certified
- 2024-01-12
Frequently asked questions
- What is Nathan Larson's NPI number?
- Nathan Larson's National Provider Identifier (NPI) is 1427194299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Larson's specialty?
- Nathan Larson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Nathan Larson located?
- Nathan Larson's practice location on file with NPPES is 915 N Grand Blvd, Saint Louis, MO 63106-1621.
- What is Nathan Larson's phone number?
- The practice phone number listed in the NPPES registry for Nathan Larson is (314) 652-4100.
- Is Nathan Larson's NPI active?
- Yes — Nathan Larson's NPI (1427194299) is active in the NPPES registry as of the last update on 2024-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.