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

Dr. William Rivera-Ortiz, MD

Individual provider Specialist · NPI 1104914217

Dr. William Rivera-Ortiz, MD is a Specialist in Apple Valley, California. Practices as a sole proprietor. Licensed in California.

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 →

Practice location Address checks out

18484 US Highway 18 Ste 225
Apple Valley, CA 92307-2375
Phone: (760) 242-2341
Fax: (760) 242-2869
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A046115 (CA)

Record details

NPI number1104914217
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 11, 2006
Last updated in NPPESApril 26, 2017
Mailing address18484 Us Highway 18, Suite 225, Apple Valley, CA 92307-2375

Other providers in Apple Valley