William Johnston
NPI 1427685890 · Student in an Organized Health Care Education/Training Program · Houston, TX
William Johnston is a Student in an Organized Health Care Education/Training Program provider in Houston, TX (NPI 1427685890).
Provider details
- NPI number
- 1427685890
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-03-25
- Last updated
- 2020-03-25
- Certified
- 2020-03-25
Frequently asked questions
- What is William Johnston's NPI number?
- William Johnston's National Provider Identifier (NPI) is 1427685890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnston's specialty?
- William Johnston is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is William Johnston located?
- William Johnston's practice location on file with NPPES is 9279 Buffalo Speedway, Houston, TX 77025-4422.
- What is William Johnston's phone number?
- The practice phone number listed in the NPPES registry for William Johnston is (713) 858-3580.
- Is William Johnston's NPI active?
- Yes — William Johnston's NPI (1427685890) is active in the NPPES registry as of the last update on 2020-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.