Diane Johnston, RN, WHNP
NPI 1356431175 · Women's Health Nurse Practitioner · Houston, TX
Diane Johnston, RN, WHNP is a Women's Health Nurse Practitioner provider in Houston, TX (NPI 1356431175).
Provider details
- NPI number
- 1356431175
- Entity type
- Individual
- Primary specialty
- Women's Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, WHNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP112877 (TX)
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
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
- 2006-10-13
- Last updated
- 2019-01-08
Frequently asked questions
- What is Diane Johnston's NPI number?
- Diane Johnston's National Provider Identifier (NPI) is 1356431175, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Johnston's specialty?
- Diane Johnston is listed in the NPPES registry with a primary specialty of Women's Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Johnston located?
- Diane Johnston's practice location on file with NPPES is 1515 Holcombe Blvd, Houston, TX 77030-4009.
- What is Diane Johnston's phone number?
- The practice phone number listed in the NPPES registry for Diane Johnston is (713) 792-6161.
- Is Diane Johnston's NPI active?
- Yes — Diane Johnston's NPI (1356431175) is active in the NPPES registry as of the last update on 2019-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.