Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Mark Larsen, MD

Individual provider Sports Medicine (Neuromusculoskeletal Medicine) Physician · NPI 1578610739

Dr. John Mark Larsen, MD is a Sports Medicine (Neuromusculoskeletal Medicine) Physician in Oxnard, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1700 Lombard St Ste 110
Oxnard, CA 93030-8211
Phone: (805) 988-6510
Fax: (805) 988-6550
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Neuromusculoskeletal Medicine) Physician (primary) Taxonomy 204C00000X · Licence G61959 (CA)

Record details

NPI number1578610739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 3, 2007
Last updated in NPPESJuly 8, 2007