Registry record
- NPI
- 1700590353
- Profession
- Nurse Practitioner (NP)
- Specialty
- Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
- Practice address
- 440 Louisiana St Ste 900
Houston, TX 77002 - Phone
- 2816835478
- In the registry since
- January 9, 2023
- Last NPPES update
- March 4, 2026
- Sole proprietor
- No
- License
- 1099455 (TX)
At this location
One other provider in our data lists 440 Louisiana St Ste 900, Houston as a practice address:
- Ida Centineo, FNP-C
Family Nurse Practitioner · NPI 1609410653
In context
The NPI number of Tonya Williams is 1700590353. They are a Psychiatric/Mental Health Nurse Practitioner in Houston, Texas.
Tonya 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 3 years, since January 9, 2023.
Frequently asked questions
What is NPI 1700590353?
NPI 1700590353 is the 10-digit National Provider Identifier assigned to Tonya Williams, a Psychiatric/Mental Health Nurse Practitioner practicing in Houston, Texas. The record has been in the NPPES registry since January 9, 2023.
How do I verify this provider?
Cross-check NPI 1700590353 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1099455 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 March 4, 2026. 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.