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

Dr. Mark J Larsen, MD

Individual provider Diagnostic Radiology Physician · NPI 1992894141

Dr. Mark J Larsen, MD is a Diagnostic Radiology Physician in Orinda, California. Practices as a sole proprietor. Licensed in California and Kentucky.

Licensed in
CA, KY
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

65 Loma Vista Dr
Orinda, CA 94563-2236
Phone: (925) 258-4300
Fax: (408) 228-0823
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G51274 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 38096 (KY)

Record details

NPI number1992894141
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESSeptember 10, 2012
Mailing address65 Loma Vista Dr, Orinda, CA 94563-2236

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