Registry record
- NPI
- 1659746964
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 9898 Bissonnet St Ste 315
Houston, TX 77036 - Phone
- 8328474836
- In the registry since
- December 11, 2015
- Last NPPES update
- August 22, 2025
- Sole proprietor
- Yes
- License
- AP129582 (TX)
At this location
One other provider in our data lists 9898 Bissonnet St Ste 315, Houston as a practice address:
- Oluseye Lashmann, PMHNP
Psychiatric/Mental Health Nurse Practitioner · NPI 1285576579
In context
The NPI number of Lettica Johnson-Highsmith is 1659746964. They are a Psychiatric/Mental Health Nurse Practitioner in Houston, Texas.
Lettica Johnson-Highsmith is one of 558 Psychiatric/Mental Health Nurse Practitioners in Houston and one of 4,351 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 10 years, since December 11, 2015.
Frequently asked questions
What is NPI 1659746964?
NPI 1659746964 is the 10-digit National Provider Identifier assigned to Lettica Johnson-Highsmith, a Psychiatric/Mental Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since December 11, 2015.
How do I verify this provider?
Cross-check NPI 1659746964 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP129582 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 August 22, 2025. 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.