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

Individual provider Internal Medicine Physician · NPI 1861680399

Dr. Tomifumi Onishi, MD is an Internal Medicine in Ewa Beach, Hawaii. Qualified in 2003, 23 years ago. Practices with Queens University Medical Group, a 623-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
23
Licensed in
TX
In the registry since
2007
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

91-2141 Fort Weaver Rd
Ewa Beach, HI 96706-1993
Phone: (808) 691-3900
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence N3962 (TX)

Record details

NPI number1861680399
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2007
Last updated in NPPESJanuary 22, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Queens University Medical Group — 623 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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