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

Mark Massi, MD

Individual provider Pediatrics Physician · NPI 1568417921

Mark Massi, MD is a Pediatrics Physician in Riverside, California. Licensed in California. Registered with an NPI since 2006.

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

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

10800 Magnolia Ave
Riverside, CA 92505-3043
Phone: (951) 353-5741
Fax: (951) 353-5375
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A105417 (CA)

Record details

NPI number1568417921
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESOctober 14, 2016
Mailing address10800 Magnolia Ave, Riverside, CA 92505-3043

Other providers in Riverside