Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. FRANCES C SONSTEIN F.N.P.
NPI 1346237914
Nurse Practitioner - Family in Austin, TX

Q: What is Frances Sonstein's NPI number?

The NPI number for Frances Sonstein is 1346237914. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Q: What is Frances Sonstein's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Frances Sonstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 29, 2005

1407 W 46TH ST, AUSTIN, TX 78756(512) 451-4488(512) 453-2707 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Ms. Frances C Sonstein F.n.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. FRANCES C SONSTEIN F.N.P. (NPI 1346237914) is an individual family provider in Austin, Texas, licensed in Texas (431319) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1346237914

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMS. FRANCES C SONSTEINCredential: F.N.P.

Location Address1407 W 46TH STAustin, TX 78756-3005

Mailing Address1407 W 46th StAustin, TX 78756-3005 · (512) 451-4488 · Fax (512) 453-2707

Phone(512) 451-4488

Fax(512) 453-2707

Sole ProprietorNo

Enumeration DateSeptember 29, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1346237914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in TX · 431319

1407 W 46TH ST, Austin, TX 78756

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frances Sonstein's NPI number?

The NPI number for Frances Sonstein is 1346237914. It was assigned to this individual provider in the NPPES registry on September 29, 2005.

Where is Frances Sonstein located?

Frances Sonstein practices at 1407 W 46th St, Austin, TX 78756. The listed phone number is (512) 451-4488.

What is Frances Sonstein's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Frances Sonstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.