Gregory Widner, MSW
NPI 1477720969 · Clinical Social Worker · Saint Louis, MO
Gregory Widner, MSW is a Clinical Social Worker provider in Saint Louis, MO (NPI 1477720969).
Provider details
- NPI number
- 1477720969
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 2002029844 (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
18 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
- 2008-05-13
- Last updated
- 2008-05-13
Frequently asked questions
- What is Gregory Widner's NPI number?
- Gregory Widner's National Provider Identifier (NPI) is 1477720969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Widner's specialty?
- Gregory Widner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Gregory Widner located?
- Gregory Widner's practice location on file with NPPES is 4560 Clayton Ave, Saint Louis, MO 63110-1547.
- What is Gregory Widner's phone number?
- The practice phone number listed in the NPPES registry for Gregory Widner is (314) 286-2223.
- Is Gregory Widner's NPI active?
- Yes — Gregory Widner's NPI (1477720969) is active in the NPPES registry as of the last update on 2008-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.