Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Darcy Elizabeth Stiefer
Specialist in Tyler, TX · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134031438
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Registry record
Entity type Individual (Type 1)
Name Darcy Elizabeth Stiefer
Sex Female
Practice address 562 Centennial Pkwy Apt 2704, Tyler, TX, 75703
Phone (903) 606-5935
Enumeration date Sep 21, 2026
Last updated in NPPES Sep 21, 2026
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
What is the NPI number for Darcy Stiefer?
The National Provider Identifier (NPI) for Darcy Stiefer is 1134031438, a Type 1 (individual) record in the CMS NPPES registry.
Where does Darcy Stiefer practice?
The practice location on file with NPPES is in Tyler, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-21.