Sonja Tennyson, LCSW
NPI 1013740158 · Clinical Social Worker · Custer, SD
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonja Tennyson, LCSW is a Clinical Social Worker provider in Custer, SD (NPI 1013740158).
Provider details
- NPI number
- 1013740158
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5121 (SD)
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
1 yr 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
- 2024-08-23
- Last updated
- 2024-08-23
- Certified
- 2024-08-23
Frequently asked questions
- What is Sonja Tennyson's NPI number?
- Sonja Tennyson's National Provider Identifier (NPI) is 1013740158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonja Tennyson's specialty?
- Sonja Tennyson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Sonja Tennyson located?
- Sonja Tennyson's practice location on file with NPPES is 35 S 4th St, Custer, SD 57730-1916.
- What is Sonja Tennyson's phone number?
- The practice phone number listed in the NPPES registry for Sonja Tennyson is (605) 440-1960.
- Does Sonja Tennyson accept Medicare?
- Sonja Tennyson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonja Tennyson's NPI active?
- Yes — Sonja Tennyson's NPI (1013740158) is active in the NPPES registry as of the last update on 2024-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.