Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Mark J Warmuth, C.O.
Orthotist in Ventura, CA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205000957
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Registry record
Entity type Individual (Type 1)
Name Mr. Mark J Warmuth
Credential C.O.
Sex Male
Practice address 4517 Market St, Ste 4, Ventura, CA, 93003
Phone (805) 658-1822
Fax (805) 658-1824
Enumeration date Apr 14, 2008
Last updated in NPPES Apr 16, 2008
Taxonomy & licenses
222Z00000X Orthotist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License CO1535 (CA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| XC0015350 | Medicaid | CA | - |
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
Where does Mark Warmuth practice?
The practice location on file with NPPES is in Ventura, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Warmuth?
The National Provider Identifier (NPI) for Mark Warmuth is 1205000957, a Type 1 (individual) record in the CMS NPPES registry.
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 Eric Mortensen Chiropractor · Ventura, CA NPI 1073675971 Channel Islands Prosthetics-Orthotics Prosthetic/Orthotic Supplier · Ventura, CA NPI 1891902524 Karl R. Harer Chiropractic, Incorporated Chiropractor · Ventura, CA NPI 1154591592 Eric G Mortensen Chiropractic Inc Chiropractor · Ventura, CA NPI 1518407592
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-16.