NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Kristin Siu, PA-C

Physician Assistant in Folsom, CA · enumerated 2021 · practices at Travis Loidolt Do, Inc..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841961414

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Kristin Siu
Credential PA-C
Sex Female
Practice address Folsom, CA, 95630
Enumeration date Sep 23, 2021
Last updated in NPPES Jun 9, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kristin Siu?
The National Provider Identifier (NPI) for Kristin Siu is 1841961414, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kristin Siu practice?
The practice location on file with NPPES is in Folsom, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-09.