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Medical Oncology

Brandon A. Kobayashi, MD

Works at hospitals in Honolulu, HI · Hawaii

Summary

Dr. Brandon A. Kobayashi, MD is an oncologist at 1301 Punchbowl St, Honolulu, HI 96813. Phone: (808) 532-0315. Accepts Medicare assignment. NPI 1679078257. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 1301 Punchbowl St, Honolulu, HI 96813 · Directions (6 more locations)
  • Phone: (808) 532‑0315
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kuakini Medical Center, The Queens Medical Center
  • Group practice: Queens University Medical Group (+1 more)
  • Medical school: University Of Hawaii John A. Burns School Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Brandon A. Kobayashi, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Brandon A. Kobayashi accept Medicare assignment?
Yes. Medicare's clinician data says Brandon A. Kobayashi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Brandon A. Kobayashi's NPI number?
1679078257. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Brandon A. Kobayashi works

Medicare's Facility Affiliation Data lists Brandon A. Kobayashi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Brandon A. Kobayashi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Brandon A. Kobayashi as a member of these groups (CMS data updated October 2, 2026).

  • Queens University Medical Group614 clinicians in the group
  • The Queens Medical Center192 clinicians in the group

Specialties

Find other Medical Oncology doctors in Hawaii →

Other oncologists in Honolulu

Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.

All oncologists in Honolulu →

Other clinicians in Queens University Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1679078257
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians