David Nellis, MSW
NPI 1255716395 · Social Worker · Evansville, IN
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Nellis, MSW is a Social Worker provider in Evansville, IN (NPI 1255716395).
Provider details
- NPI number
- 1255716395
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 34008082A (IN)
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
10 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
- 2015-07-29
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is David Nellis's NPI number?
- David Nellis's National Provider Identifier (NPI) is 1255716395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Nellis's specialty?
- David Nellis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is David Nellis located?
- David Nellis's practice location on file with NPPES is 5200 Washington Ave, Evansville, IN 47715-4863.
- What is David Nellis's phone number?
- The practice phone number listed in the NPPES registry for David Nellis is (812) 437-1700.
- Does David Nellis accept Medicare?
- David Nellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Nellis's NPI active?
- Yes — David Nellis's NPI (1255716395) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.