IndividualActive
Erin Johnston, MD
NPI 1679358550 · Social Worker · Knoxville, TN
Erin Johnston, MD is a Social Worker provider in Knoxville, TN (NPI 1679358550).
Provider details
- NPI number
- 1679358550
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
600 Arthur St
Knoxville, TN 37921-6405
Phone: (865) 523-8695
Street-level locationGet directions
Mailing address
200 Tech Center Dr
Knoxville, TN 37912-2747
Registry dates
- Enumerated
- 2023-08-29
- Last updated
- 2023-08-29
- Certified
- 2023-08-29
Frequently asked questions
- What is Erin Johnston's NPI number?
- Erin Johnston's National Provider Identifier (NPI) is 1679358550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Johnston's specialty?
- Erin Johnston is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Erin Johnston located?
- Erin Johnston's practice location on file with NPPES is 600 Arthur St, Knoxville, TN 37921-6405.
- What is Erin Johnston's phone number?
- The practice phone number listed in the NPPES registry for Erin Johnston is (865) 523-8695.
- Is Erin Johnston's NPI active?
- Yes — Erin Johnston's NPI (1679358550) is active in the NPPES registry as of the last update on 2023-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.