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

Dr. Grace Chen O'Neil, MD

Individual provider Emergency Medicine Physician · NPI 1164442158

Dr. Grace Chen O'Neil, MD is an Emergency Medicine Physician in Tripler Army Medical Center, Hawaii. 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

1 Jarrett White Rd
Tripler Army Medical Center, HI 96859-5001
Phone: (808) 433-3707
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A95040 (CA)

Record details

NPI number1164442158
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESSeptember 29, 2024
Certification dateSeptember 29, 2024

Other providers in Tripler Army Medical Center