Dona Diftler, MSSW, LCSW
NPI 1740348622 · Clinical Social Worker · Knoxville, TN
Dona Diftler, MSSW, LCSW is a Clinical Social Worker provider in Knoxville, TN (NPI 1740348622).
Provider details
- NPI number
- 1740348622
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSSW, LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LSW3117 (TN)
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
- 2006-12-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dona Diftler's NPI number?
- Dona Diftler's National Provider Identifier (NPI) is 1740348622, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dona Diftler's specialty?
- Dona Diftler is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Dona Diftler located?
- Dona Diftler's practice location on file with NPPES is 4645 Newcom Ave, Knoxville, TN 37919-5131.
- What is Dona Diftler's phone number?
- The practice phone number listed in the NPPES registry for Dona Diftler is (865) 588-0488.
- Is Dona Diftler's NPI active?
- Yes — Dona Diftler's NPI (1740348622) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.