Janet Johnston, CRNP
NPI 1598068264 · Nurse Practitioner · Birmingham, AL
Janet Johnston, CRNP is a Nurse Practitioner provider in Birmingham, AL (NPI 1598068264).
Provider details
- NPI number
- 1598068264
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- 1-041953 (AL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-12-17
- Last updated
- 2012-04-26
Frequently asked questions
- What is Janet Johnston's NPI number?
- Janet Johnston's National Provider Identifier (NPI) is 1598068264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Johnston's specialty?
- Janet Johnston is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janet Johnston located?
- Janet Johnston's practice location on file with NPPES is 1600 7th Ave S, Birmingham, AL 35233-1711.
- What is Janet Johnston's phone number?
- The practice phone number listed in the NPPES registry for Janet Johnston is (205) 939-9583.
- Is Janet Johnston's NPI active?
- Yes — Janet Johnston's NPI (1598068264) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.