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

William Robert Grandolfo, MD

Individual provider Diagnostic Radiology Physician · NPI 1649596479

William Robert Grandolfo, MD is a Diagnostic Radiology Physician in Fountain Valley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
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

17330 Brookhurst St Ste 315
Fountain Valley, CA 92708
Phone: (714) 377-3198
Fax: (714) 377-3198
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 G13336 (CA)

Record details

NPI number1649596479
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 19, 2010
Last updated in NPPESApril 19, 2010
Mailing addressP.O. Box 20890, Fountain Valley, CA 92728-0890

Other providers in Fountain Valley