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
Mailing address1700 Lombard St, Suite 110, Oxnard, CA 93030-8211