Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Abigail M.G. Keizer, BCBA, LBA
Behavior Analyst in Sparta, MI · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720631591
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Registry record
Entity type Individual (Type 1)
Name Abigail M.G. Keizer
Credential BCBA, LBA
Sex Female
Practice address 11087 Phelps Ave, Sparta, MI, 49345
Phone (616) 566-5089
Enumeration date Jul 22, 2019
Last updated in NPPES Nov 2, 2026
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 12151825 (MI) 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 Abigail Keizer practice?
The practice location on file with NPPES is in Sparta, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Abigail Keizer?
The National Provider Identifier (NPI) for Abigail Keizer is 1720631591, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-11-02.