Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Lynn Dierolf, OTR, CHT
Occupational Therapist in Waco, TX · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639290927
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Registry record
Entity type Individual (Type 1)
Name Karen Lynn Dierolf
Credential OTR, CHT
Sex Female
Practice address 7003 Woodway Dr, Suite 302, Waco, TX, 76712
Phone (254) 776-7864
Fax (254) 776-0775
Enumeration date Apr 3, 2007
Last updated in NPPES Apr 28, 2009
Taxonomy & licenses
225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 106194 (TX) 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.
Frequently asked questions
Where does Karen Dierolf practice?
The practice location on file with NPPES is in Waco, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Karen Dierolf?
The National Provider Identifier (NPI) for Karen Dierolf is 1639290927, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-28.