Healthlink Diagnostics, LLC
NPI 1225373905 · Sleep Disorder Diagnostic Clinic/Center · Johnson City, TN
Healthlink Diagnostics, LLC is a Sleep Disorder Diagnostic Clinic/Center organization in Johnson City, TN (NPI 1225373905).
Provider details
- NPI number
- 1225373905
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Edward Steffner, Ceo(423) 232-5200
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-12-06
- Last updated
- 2012-12-06
Frequently asked questions
- What is Healthlink Diagnostics, LLC's NPI number?
- Healthlink Diagnostics, LLC's National Provider Identifier (NPI) is 1225373905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Healthlink Diagnostics, LLC?
- Healthlink Diagnostics, LLC is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Healthlink Diagnostics, LLC located?
- Healthlink Diagnostics, LLC's practice location on file with NPPES is 119 E King St, Johnson City, TN 37601-4721.
- What is Healthlink Diagnostics, LLC's phone number?
- The practice phone number listed in the NPPES registry for Healthlink Diagnostics, LLC is (423) 232-5200.
- Who is the authorized official for Healthlink Diagnostics, LLC?
- The authorized official listed on Healthlink Diagnostics, LLC's NPPES record is Edward Steffner, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Healthlink Diagnostics, LLC's NPI active?
- Yes — Healthlink Diagnostics, LLC's NPI (1225373905) is active in the NPPES registry as of the last update on 2012-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.