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Patrick Sein, DC

Patrick Sein is a Chiropractor provider (Chiropractor) practicing in Santa Ana, CA, registered in the NPPES registry with NPI 1841401429 since 2007. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1841401429
Entity type Individual (Type 1)
Name Patrick Sein
Credential DC
Sex Male
Practice address Santa Ana, CA, 92707
Phone 7147517048
Enumeration date 2007-05-24
Last updated in NPPES 2007-07-08

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary DC26490 CA

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details
Provider: Patrick Sein, DC
NPI: 1841401429
Taxonomy: 111N00000X (Chiropractor)
Address: Santa Ana, CA, 92707

Other providers at this practice address

NPI Name Type Specialty Location
1336110352 Nguyen Huu, M.D., Inc Organization Internal Medicine Physician Santa Ana, CA
1043287345 Ahmad Hajj Individual Orthopaedic Surgery Physician Santa Ana, CA
1265400550 Carlo Biscaro Individual Orthopaedic Surgery Physician Santa Ana, CA
1235199514 Hamid Rahman Individual Orthopaedic Surgery Physician Santa Ana, CA
1689610552 Martin Wieler Individual Diagnostic Radiology Physician Santa Ana, CA
1629184536 Ferdous Kazemi Individual Pediatrics Physician Santa Ana, CA
1770675357 Mansoor Mosley Individual Specialist Santa Ana, CA
1457448789 Wieler & Sein Medical Group Organization Diagnostic Radiology Physician Santa Ana, CA

Verify this record

Cross-check NPI 1841401429 against the authoritative CMS record: view Patrick Sein on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Patrick Sein practice?
The practice location on file with NPPES is in Santa Ana, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Patrick Sein?
The National Provider Identifier (NPI) for Patrick Sein is 1841401429, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.