Robert Johnston, RN, FNP
NPI 1770788275 · Medical-Surgical Registered Nurse · Tucson, AZ
Robert Johnston, RN, FNP is a Medical-Surgical Registered Nurse provider in Tucson, AZ (NPI 1770788275).
Provider details
- NPI number
- 1770788275
- Entity type
- Individual
- Primary specialty
- Medical-Surgical Registered NurseNursing Service Providers
- Credential
- RN, FNP
- Sex
- Male
- Sole proprietor
- No
- License
- RN080921 (AZ)
Specialties & taxonomies
Nursing 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
- 2007-06-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Johnston's NPI number?
- Robert Johnston's National Provider Identifier (NPI) is 1770788275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Johnston's specialty?
- Robert Johnston is listed in the NPPES registry with a primary specialty of Medical-Surgical Registered Nurse (Nursing Service Providers).
- Where is Robert Johnston located?
- Robert Johnston's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is Robert Johnston's phone number?
- The practice phone number listed in the NPPES registry for Robert Johnston is (520) 694-0111.
- Is Robert Johnston's NPI active?
- Yes — Robert Johnston's NPI (1770788275) 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.