Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Arnold Overfelt, BCBA
Behavior Analyst in Asheville, NC · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811387954
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Registry record
Entity type Individual (Type 1)
Name William Arnold Overfelt
Credential BCBA
Sex Male
Practice address 6 Roberts Rd Ste 105, Asheville, NC, 28803
Phone (828) 277-1315
Fax (828) 277-1321
Enumeration date Jan 28, 2015
Last updated in NPPES Oct 21, 2019
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-13-13475 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
What is the NPI number for William Overfelt?
The National Provider Identifier (NPI) for William Overfelt is 1811387954, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Overfelt practice?
The practice location on file with NPPES is in Asheville, NC. 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 2019-10-21.