Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Abigail Steinsiek, LMSW
Social Worker in Austin, TX · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1215829361
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Registry record
Entity type Individual (Type 1)
Name Abigail Steinsiek
Credential LMSW
Sex Female
Practice address 1114 Lost Creek Blvd Ste 110, Austin, TX, 78746
Phone (512) 212-1087
Enumeration date Jul 15, 2025
Last updated in NPPES Jul 15, 2025
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
Is NPI 1215829361 active?
Yes, as of the latest NPPES snapshot, NPI 1215829361 is active (record last updated 2025-07-15).
How do I verify Abigail Steinsiek's NPI record?
Cross-check NPI 1215829361 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-15.