Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Kasia Wilwski Hopewell, ND
Naturopath in Belmont, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598890626
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Registry record
Entity type Individual (Type 1)
Name Dr. Kasia Wilwski Hopewell
Credential ND
Sex Female
Practice address 1601 El Camino Real, Suite 101, Belmont, CA, 94002
Phone (650) 591-9355
Fax (650) 595-5439
Enumeration date Feb 22, 2007
Last updated in NPPES Jul 8, 2007
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 specialty is Kasia Hopewell?
Kasia Hopewell is registered in NPPES with the primary taxonomy of Naturopath. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.