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

Robert L. Hillyard, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1073607842

Robert L. Hillyard, MD is a Neonatal-Perinatal Medicine Physician in Orange, 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 →

Practice location Address checks out

455 S Main St
Orange, CA 92868-3835
Phone: (714) 532-8620
Fax: (714) 289-4072
Show map & directions

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

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence G55855 (CA)

Record details

NPI number1073607842
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address455 S Main St, Orange, CA 92868-3835

Other providers in Orange