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

Dr. Douglas Clark Ostman, MD

Individual provider Emergency Medicine Physician · NPI 1023280559

Dr. Douglas Clark Ostman, MD is an Emergency Medicine Physician in Honolulu, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2008
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

3196 Diamond Head Rd
Honolulu, HI 96815-4720
Phone: (808) 923-9009
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 MD 2164 (HI)

Record details

NPI number1023280559
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 25, 2008
Last updated in NPPESMarch 25, 2008

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