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

SONJA K CARSTENS ARNP
NPI 1790782977
Nurse Practitioner - Gerontology in Sarasota, FL

Active since July 05, 2005
355 INTERSTATE BLVD, SARASOTA, FL 34240(941) 870-0199 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sonja K Carstens Arnp NPPES

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

SONJA K CARSTENS ARNP (NPI 1790782977) is an individual gerontology provider in Sarasota, Florida, licensed in Florida (ARNP9195484) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1790782977
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameSONJA K CARSTENSCredential: ARNP
Location Address355 INTERSTATE BLVDSarasota, FL 34240-8685
Mailing Address1136 Pineland AveVenice, FL 34285-7843 · (941) 484-4705
Sole ProprietorNo
Enumeration DateJuly 5, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1790782977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License Licensed in FL · ARNP9195484
355 INTERSTATE BLVD, Sarasota, FL 34240

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 Sonja Carstens's NPI number?

The NPI number for Sonja Carstens is 1790782977. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is Sonja Carstens located?

Sonja Carstens practices at 355 Interstate Blvd, Sarasota, FL 34240. The listed phone number is (941) 870-0199.

What is Sonja Carstens's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

When was this NPI record last updated?

The NPPES record for Sonja Carstens 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 34 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.