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

Individual provider Pediatric Critical Care Medicine Physician · NPI 1164516944

Dina Iwai, MD is a Pediatric Medicine in Orange, California. Graduated from University of California, Geffen School of Medicine in 1998, 28 years ago. Practices with Childrens Hospital of Orange County, a 71-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
28
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

455 S Main St
Orange, CA 92868-3835
Phone: (714) 289-4511
Fax: (714) 289-4788
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Critical Care Medicine Physician (primary) Taxonomy 2080P0203X · Licence A71762 (CA)

Record details

NPI number1164516944
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESJuly 8, 2007
Mailing address455 S Main St, Orange, CA 92868-3835

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Childrens Hospital Of Orange County — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Orange