Dale Sieben, LCSW
NPI 1235208158 · Clinical Social Worker · Saint Louis, MO
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dale Sieben, LCSW is a Clinical Social Worker provider in Saint Louis, MO (NPI 1235208158).
Provider details
- NPI number
- 1235208158
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 2002000242 (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
- 2006-11-07
- Last updated
- 2022-01-21
- Certified
- 2022-01-21
Frequently asked questions
- What is Dale Sieben's NPI number?
- Dale Sieben's National Provider Identifier (NPI) is 1235208158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dale Sieben's specialty?
- Dale Sieben is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dale Sieben located?
- Dale Sieben's practice location on file with NPPES is 401 Holly Hills Ave, Saint Louis, MO 63111-2410.
- What is Dale Sieben's phone number?
- The practice phone number listed in the NPPES registry for Dale Sieben is (314) 481-1615.
- Does Dale Sieben accept Medicare?
- Dale Sieben is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dale Sieben's NPI active?
- Yes — Dale Sieben's NPI (1235208158) is active in the NPPES registry as of the last update on 2022-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.