Edward B. Steffner
NPI 1477561645 · Sleep Disorder Diagnostic Clinic/Center · Johnson City, TN
Edward B. Steffner is a Sleep Disorder Diagnostic Clinic/Center organization in Johnson City, TN (NPI 1477561645).
Provider details
- NPI number
- 1477561645
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Edward Steffner, President - Owner(423) 928-7770
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
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
- 2006-08-04
- Last updated
- 2010-01-07
Frequently asked questions
- What is Edward B. Steffner's NPI number?
- Edward B. Steffner's National Provider Identifier (NPI) is 1477561645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Edward B. Steffner?
- Edward B. Steffner is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Edward B. Steffner located?
- Edward B. Steffner's practice location on file with NPPES is 110 E Mountcastle Dr, Johnson City, TN 37601-2539.
- What is Edward B. Steffner's phone number?
- The practice phone number listed in the NPPES registry for Edward B. Steffner is (423) 928-7770.
- Who is the authorized official for Edward B. Steffner?
- The authorized official listed on Edward B. Steffner's NPPES record is Edward Steffner, President - Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Edward B. Steffner's NPI active?
- Yes — Edward B. Steffner's NPI (1477561645) is active in the NPPES registry as of the last update on 2010-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.