Registry record
- NPI
- 1164807798
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1221 E State Highway 114 Ste 140
Southlake, TX 76092 - Phone
- 8172519280
- In the registry since
- July 24, 2015
- Last NPPES update
- September 27, 2023
- Sole proprietor
- No
- License
- AP128579 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Mary Williams is 1164807798. They are a Family Nurse Practitioner in Southlake, Texas.
Mary Williams is one of 64 Family Nurse Practitioners in Southlake and one of 22,499 across Texas in our data.
The NPI has been in the federal registry for 10 years, since July 24, 2015.
Frequently asked questions
What is NPI 1164807798?
NPI 1164807798 is the 10-digit National Provider Identifier assigned to Mary Williams, a Family Nurse Practitioner practicing in Southlake, Texas. The record has been in the NPPES registry since July 24, 2015.
How do I verify this provider?
Cross-check NPI 1164807798 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP128579 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 September 27, 2023. 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.