Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Benjamin Lawrence Porterfield, DC
Chiropractor in Keizer, OR · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1336915594
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Registry record
Entity type Individual (Type 1)
Name Dr. Benjamin Lawrence Porterfield
Credential DC
Sex Male
Practice address 4630 River Rd N Ste A, Keizer, OR, 97303
Phone (503) 304-2225
Enumeration date Nov 29, 2023
Last updated in NPPES Nov 29, 2023
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
What is the NPI number for Benjamin Porterfield?
The National Provider Identifier (NPI) for Benjamin Porterfield is 1336915594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Benjamin Porterfield practice?
The practice location on file with NPPES is in Keizer, OR. Providers can have multiple locations; NPPES lists the primary practice address.
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 Maricruz Arias-Villanueva Chiropractor · Keizer, OR NPI 1033827407
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-29.