Steven Johnstun, RRT
NPI 1649668187 · Registered Respiratory Therapist · Tucson, AZ
Steven Johnstun, RRT is a Registered Respiratory Therapist provider in Tucson, AZ (NPI 1649668187).
Provider details
- NPI number
- 1649668187
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 010773 (AZ)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-01-07
- Last updated
- 2015-01-07
Frequently asked questions
- What is Steven Johnstun's NPI number?
- Steven Johnstun's National Provider Identifier (NPI) is 1649668187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Johnstun's specialty?
- Steven Johnstun is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Steven Johnstun located?
- Steven Johnstun's practice location on file with NPPES is 3601 S 6th Ave, Tucson, AZ 85723-0001.
- What is Steven Johnstun's phone number?
- The practice phone number listed in the NPPES registry for Steven Johnstun is (520) 792-1450.
- Is Steven Johnstun's NPI active?
- Yes — Steven Johnstun's NPI (1649668187) is active in the NPPES registry as of the last update on 2015-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.