Registry record
- NPI
- 1346237914
- Profession
- Nurse Practitioner (NP)
- Specialty
- Family Nurse Practitioner (363LF0000X)
- Practice address
- 1407 W 46th St
Austin, TX 78756 - Phone
- 5124514488
- In the registry since
- September 29, 2005
- Last NPPES update
- July 8, 2007
- Sole proprietor
- Yes
- License
- 431319 (TX)
At this location
This location lists no other NP or PA providers in our current data.
In context
The NPI number of Frances Sonstein is 1346237914. They are a Family Nurse Practitioner in Austin, Texas.
Frances Sonstein is one of 934 Family Nurse Practitioners in Austin and one of 22,499 across Texas in our data. Austin ranks #4 among Texas cities in our dataset, with 2,782 NP and PA providers.
The NPI has been in the federal registry for 20 years, since September 29, 2005.
Frequently asked questions
What is NPI 1346237914?
NPI 1346237914 is the 10-digit National Provider Identifier assigned to Frances Sonstein, a Family Nurse Practitioner practicing in Austin, Texas. The record has been in the NPPES registry since September 29, 2005.
How do I verify this provider?
Cross-check NPI 1346237914 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 431319 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 July 8, 2007. 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.