NPI Atlas

Diane C. Johnston, RN, WHNP

Women's Health Nurse Practitioner in Houston, Texas. NPI 1356431175.

NPI1356431175

Registry record

NPI
1356431175
Profession
Nurse Practitioner (NP)
Specialty
Women's Health Nurse Practitioner (363LW0102X)
Practice address
1515 Holcombe Blvd
Houston, TX 77030
In the registry since
October 13, 2006
Last NPPES update
January 8, 2019
Sole proprietor
No
License
AP112877 (TX)

At this location

1,545 other providers in our data list 1515 Holcombe Blvd, Houston as a practice address:

In context

The NPI number of Diane Johnston is 1356431175. They are a Women's Health Nurse Practitioner in Houston, Texas.

Diane Johnston is one of 122 Women's Health Nurse Practitioners in Houston and one of 1,070 across Texas in our data. Houston ranks #1 among Texas cities in our dataset, with 8,326 NP and PA providers.

The NPI has been in the federal registry for 19 years, since October 13, 2006.

Frequently asked questions

What is NPI 1356431175?

NPI 1356431175 is the 10-digit National Provider Identifier assigned to Diane Johnston, a Women's Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since October 13, 2006.

How do I verify this provider?

Cross-check NPI 1356431175 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP112877 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as January 8, 2019. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.