Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Maricruz Arias-Villanueva, DC
Chiropractor in Keizer, OR · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1033827407
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Registry record
Entity type Individual (Type 1)
Name Dr. Maricruz Arias-Villanueva
Credential DC
Sex Female
Practice address 4630 River Rd N Ste A, Keizer, OR, 97303
Phone (503) 304-2225
Enumeration date Nov 14, 2022
Last updated in NPPES Jun 26, 2024
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
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 Maricruz Arias-Villanueva?
Maricruz Arias-Villanueva is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Mary Grosso Massage Therapist · Keizer, OR NPI 1326597279 Justin Tijerino Massage Therapist · Keizer, OR NPI 1275189532 Matthew Turner Chiropractor · Keizer, OR NPI 1508431750 Francis Hopkins Massage Therapist · Keizer, OR NPI 1720731607 Sydney Weitzel Massage Therapist · Keizer, OR NPI 1235886896 Benjamin Porterfield Chiropractor · Keizer, OR NPI 1336915594
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-26.