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

James D. Simpson, MD

Individual provider Vascular Surgery Physician · NPI 1598813396

James D. Simpson, MD is a Vascular Surgery Physician in Riverside, California. Licensed in California. Registered with an NPI since 2007.

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

10800 Magnolia Ave
Riverside, CA 92505-3043
Phone: (909) 353-2000
Show map & directions

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

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence G20839 (CA)

Record details

NPI number1598813396
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESMay 12, 2020
Certification dateMay 12, 2020
Mailing address10800 Magnolia Ave, Riverside, CA 92505-3043

Other providers in Riverside