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

Individual provider Hospitalist Physician · NPI 1558392969

Dr. Matthew J Gadbaw, MD is a Hospitalist in Honolulu, Hawaii. Graduated from University of Washington School of Medicine in 2000, 26 years ago. Practices with Straub Clinic and Hospital, a 423-clinician group and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
26
Trained at
University of Washington School of Medicine
Licensed in
HI
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

888 S King St
Honolulu, HI 96813-3097
Phone: (808) 522-4000
Fax: (808) 522-4769
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD-25651 (HI)

Record details

NPI number1558392969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESSeptember 9, 2025
Certification dateSeptember 9, 2025

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Straub Clinic And Hospital — 423 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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