Tonja G'Sell, LCSW
NPI 1114140670 · Clinical Social Worker · Arnold, MO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonja G'Sell, LCSW is a Clinical Social Worker provider in Arnold, MO (NPI 1114140670).
Provider details
- NPI number
- 1114140670
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 2004032130 (MO)
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
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
- 2007-04-11
- Last updated
- 2023-05-31
- Certified
- 2023-05-31
Frequently asked questions
- What is Tonja G'Sell's NPI number?
- Tonja G'Sell's National Provider Identifier (NPI) is 1114140670, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonja G'Sell's specialty?
- Tonja G'Sell is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tonja G'Sell located?
- Tonja G'Sell's practice location on file with NPPES is 21 Municipal Dr, Arnold, MO 63010-1012.
- What is Tonja G'Sell's phone number?
- The practice phone number listed in the NPPES registry for Tonja G'Sell is (636) 296-6206.
- Does Tonja G'Sell accept Medicare?
- Tonja G'Sell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonja G'Sell's NPI active?
- Yes — Tonja G'Sell's NPI (1114140670) is active in the NPPES registry as of the last update on 2023-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.