Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sarah Toepfer, MA
Psychologist in Holland, MI · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184414575
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Registry record
Entity type Individual (Type 1)
Name Sarah Toepfer
Credential MA
Sex Female
Practice address 265 Kollen Park Dr, Holland, MI, 49423
Phone (616) 681-3955
Enumeration date May 8, 2025
Last updated in NPPES May 8, 2025
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License 6362010133 (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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Sarah Toepfer?
Sarah Toepfer is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-08.