Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Eric G Mortensen, D.C.
Chiropractor in Ventura, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1073675971
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Registry record
Entity type Individual (Type 1)
Name Eric G Mortensen
Credential D.C.
Sex Male
Practice address 4517 Market St, Suite 1, Ventura, CA, 93003
Phone (805) 650-5929
Fax (805) 650-5947
Enumeration date Dec 15, 2006
Last updated in NPPES Mar 31, 2025
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 Eric Mortensen?
Eric Mortensen 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 → Karl Harer Chiropractor · Ventura, CA NPI 1659360865 M.Warmuth C.O.,Inc. Prosthetic/Orthotic Supplier · Ventura, CA NPI 1720198120 John Mcatee Prosthetist · Ventura, CA NPI 1639249766 Channel Islands Prosthetics-Orthotics Prosthetic/Orthotic Supplier · Ventura, CA NPI 1891902524 Karl R. Harer Chiropractic, Incorporated Chiropractor · Ventura, CA NPI 1154591592 Mark Warmuth Orthotist · Ventura, CA NPI 1205000957 Eric G Mortensen Chiropractic Inc Chiropractor · Ventura, CA NPI 1518407592
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-31.