Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Barbara Blair Feldhaus
Physician Assistant in Sonora, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326704651
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Registry record
Entity type Individual (Type 1)
Name Barbara Blair Feldhaus
Sex Female
Practice address 690 Guzzi Ln Ste B, Sonora, CA, 95370
Phone (209) 536-5757
Enumeration date Nov 10, 2021
Last updated in NPPES Nov 10, 2021
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Barbara Feldhaus practice?
The practice location on file with NPPES is in Sonora, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Barbara Feldhaus?
The National Provider Identifier (NPI) for Barbara Feldhaus is 1326704651, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-10.