Registry record
- NPI
- 1831561901
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 230 Westcott St, Ste 210
Houston, TX 77007 - Phone
- 8325457127
- In the registry since
- October 28, 2015
- Last NPPES update
- October 28, 2015
- Sole proprietor
- Yes
- License
- AP129472 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Alexis Williams is 1831561901. They are a Psychiatric/Mental Health Nurse Practitioner in Houston, Texas.
Alexis Williams 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 October 28, 2015.
Frequently asked questions
What is NPI 1831561901?
NPI 1831561901 is the 10-digit National Provider Identifier assigned to Alexis Williams, a Psychiatric/Mental Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since October 28, 2015.
How do I verify this provider?
Cross-check NPI 1831561901 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP129472 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 October 28, 2015. 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.