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Brandon A Kobayashi, MD

Medical Oncology · Ewa Beach

NPI 1679078257

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
6

Offices

6 locations · The Queens Medical Center · Queens University Medical Group

Looking this up.

Hospitals listed: The Queens Medical Center. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Kobayashi’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A164599 · Delinquent

Licence status: Delinquent · since 2019 · expires 2025-08-31 · John A. Burns School of Medicine University of Hawaii at Manoa.

License renewal fee has not been paid. No practice is permitted.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

Hospitals they work in

1 hospital

These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.

  • The Queens Medical CenterHonolulu, HIAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of The Queens Health Systems, which runs 4 hospitalsPatients rate it 3 of 5 · 76% would definitely recommend it
    Overall rating: 3 of 5 starsWorse than the national rate — CMS Medicare PSI 90: Patient safety and adverse events composite: 1.34 (1.12 to 1.55), Jul 2022 – Jun 2024Worse than the national rate — Iatrogenic pneumothorax rate: 0.47 (0.29 to 0.65) · 11,638 cases, Jul 2022 – Jun 2024Worse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.32 (3.74 to 6.9) · 3,569 cases, Jul 2022 – Jun 2024Worse than the national rate — Pressure ulcer rate: 1.79 (1.36 to 2.23) · 10,444 cases, Jul 2022 – Jun 2024Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.453, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.427, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.345, Oct 2024 – Sep 2025
See every measure and the patient survey for The Queens Medical Center

Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 3 better, 3 the same, 2 worse of 8 measures. Readmissions: 0 better, 9 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at The Queens Medical Center
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.34 (1.12 to 1.55)WorseJul 2022 – Jun 2024
Iatrogenic pneumothorax rateComplications and deaths0.47 (0.29 to 0.65) · 11,638 casesWorseJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.32 (3.74 to 6.9) · 3,569 casesWorseJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths1.79 (1.36 to 2.23) · 10,444 casesWorseJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.453BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.427BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.345BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.95 (0.12 to 1.78) · 2,583 casesNo differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths181.61 (147.16 to 216.07) · 200 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.6 · 101 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths8.2 · 130 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.3 · 266 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9.4 · 619 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths15.3 · 815 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.5 · 1,115 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.7 · 7,459 casesNoneJul 2024 – Jun 2025
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.11 to 0.45) · 12,099 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.17 (0 to 2.44) · 1,411 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.9 (1.73 to 4.06) · 3,175 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths7.07 (2.95 to 11.2) · 1,400 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths4.22 (1.54 to 6.91) · 1,481 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.45 (0.06 to 2.83) · 821 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 163 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.751No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.143No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.3 · 501 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21.2 · 1,438 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits10.8 · 272 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-5 · 698 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits15.4 · 799 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits17.4 · 1,657 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6.6 (5.1 to 8.6) · 477 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits11.2 (9.1 to 13.9) · 477 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits6.1 · 171 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.4 · 122 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits17.5 · 353 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.6 (10 to 16.1) · 2,546 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.8 to 1.2) · 768 casesNo differentJan 2024 – Dec 2024

What patients said (3,104 patients answered, 25% of those asked)

Patient survey stars by topic at The Queens Medical Center
Cleanliness4
Nurse communication4
Doctor communication3
Communication about medicines3
Discharge information3
Overall hospital rating4
Quietness2
Recommend hospital4
Share of patients giving the best answer at The Queens Medical Center
Room was "always" clean74%
Nurses "always" communicated well79%
Doctors "always" communicated well79%
Staff "always" explained63%
Yes, staff "did" give patients this information86%
Yes, staff "did" give patients information about help after discharge85%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect84%
Patients who gave a rating of "9" or "10" (high)73%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand75%
Nurses "always" listened carefully77%
Nurses "always" treated them with courtesy and respect86%
"Always" quiet at night52%
"YES", patients would definitely recommend the hospital76%
Staff "always" explained possible side effects52%
Yes, staff "did" give patients information about possible symptoms87%

Medicaid work

$3,390 in 2021

Medicaid paid $3,390 for 72 billed services this clinician did in 2021, up to 21 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2021
SBSQ HOSPITAL IP/OBS CARE HIGH MDM 50 MINUTES72$3,390
Medicaid work by year
202172121$3,390

Drugs they prescribed that Part D paid

$297,487

Pharmacies billed $297,487 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

Opioids were 13% of their Part D prescriptions (23 of 172) in 2024. A higher opioid share than 9 in 10 peers; the typical hospitalist clinician is at 4%. Long-acting opioids: 48% of their opioid prescriptions.

130 generic and 42 brand-name prescriptions · $297,487 in drug cost · 18 antibiotic prescriptions.

Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.

Largest Part D drug costs
Acyclovir25$277$11
Morphine Sulfate Er11$136$12
Sulfamethoxazole-Trimethoprim12$48$4

Year by year

Part D prescribing by year
20241723313% (23)24%$297,487
2023561521% (12)None$93,352
20225818NoneNone$3,216
202137None0% (0)None$2,735

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2022: 1 drug

Part D drugs prescribed in 2022
Acyclovir13$421$32

Money from drug and device companies

$763 in 2025

Industry payments by year
20251927None$763
20241516None$733
20231114None$419
202222None$293

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
AstraZeneca Pharmaceuticals LPImfinzi$107
4 payments
  • Meals for Lynparza · 2025-10-16 · $23
  • Meals for Imfinzi · 2025-10-08 · $29
  • Meals for Imfinzi · 2025-09-23 · $24
  • Meals for Enhertu · 2025-03-14 · $31
Astellas Pharma USNone$100
1 payment
  • Education · 2025-05-21 · $100
Janssen BiotechTecvayli$70
3 payments
  • Meals for Darzalex · 2025-11-11 · $24
  • Meals for Tecvayli · 2025-09-23 · $23
  • Meals for Tecvayli · 2025-06-09 · $23
AbbvieCreon$56
2 payments
  • Meals for Epkinly · 2025-09-09 · $27
  • Meals for Creon · 2025-02-04 · $29
Novartis PharmaceuticalsLutathera$55
2 payments
  • Meals for Kisqali · 2025-10-21 · $24
  • Meals for Lutathera · 2025-10-14 · $31
Merck Sharp & DohmeWelireg$53
2 payments
  • Meals for Keytruda · 2025-10-22 · $19
  • Meals for Welireg · 2025-04-07 · $33
See all 27 published payments
Every published payment
Janssen BiotechMeals · 2025-11-11Darzalex$24
IncyteMeals · 2025-11-05Jakafi$14
BeOne Medicines USAMeals · 2025-10-28Brukinsa$17
Merck Sharp & DohmeMeals · 2025-10-22Keytruda$19
Novartis PharmaceuticalsMeals · 2025-10-21Kisqali$24
AstraZeneca Pharmaceuticals LPMeals · 2025-10-16Lynparza$23
Novartis PharmaceuticalsMeals · 2025-10-14Lutathera$31
AstraZeneca Pharmaceuticals LPMeals · 2025-10-08Imfinzi$29
PfizerMeals · 2025-10-07Xtandi$21
Takeda Pharmaceuticals U.S.A.Meals · 2025-09-25Ninlaro$27
Janssen BiotechMeals · 2025-09-23Tecvayli$23
AstraZeneca Pharmaceuticals LPMeals · 2025-09-23Imfinzi$24
EisaiMeals · 2025-09-10Lenvima$17
AbbvieMeals · 2025-09-09Epkinly$27
Regeneron Healthcare SolutionsMeals · 2025-06-30Libtayo$36
GlaxoSmithKlineMeals · 2025-06-23Jemperli$26
Aveo PharmaceuticalsMeals · 2025-06-16Fotivda$25
Janssen BiotechMeals · 2025-06-09Tecvayli$23
Astellas Pharma USEducation · 2025-05-21None$100
Alexion PharmaceuticalsMeals · 2025-04-21Ultomiris$18
Merck Sharp & DohmeMeals · 2025-04-07Welireg$33
AstraZeneca Pharmaceuticals LPMeals · 2025-03-14Enhertu$31
Daiichi SankyoMeals · 2025-03-03Vanflyta$27
AbbvieMeals · 2025-02-04Creon$29
GeronMeals · 2025-01-27Rytelo$36
Stemline TherapeuticsMeals · 2025-01-14Orserdu$35
Spectrum PharmaceuticalsMeals · 2025-01-06Rolvedon$23
See earlier years (2024, 2023, 2022)

2024: $733

Payments by company in 2024
E.R. Squibb & Sons L.L.C.Opdivo$154
1 payment
  • Meals for Opdivo · 2024-07-16 · $154
IncyteMonjuvi$126
1 payment
  • Meals for Monjuvi · 2024-02-15 · $126
ADC Therapeutics AmericaNone$109
1 payment
  • Meals · 2024-03-17 · $109
AbbvieCreon$45
2 payments
  • Meals for Epkinly · 2024-09-16 · $21
  • Meals for Creon · 2024-03-07 · $24
Genentech USALunsumio$35
1 payment
  • Meals for Lunsumio · 2024-12-09 · $35
Merck Sharp & DohmeKeytruda$33
1 payment
  • Meals for Keytruda · 2024-12-16 · $33
Karyopharm TherapeuticsXpovio$31
1 payment
  • Meals for Xpovio · 2024-08-19 · $31
Regeneron Healthcare SolutionsLibtayo$30
1 payment
  • Meals for Libtayo · 2024-08-05 · $30
PfizerElrexfio$30
1 payment
  • Meals for Elrexfio · 2024-02-22 · $30
Takeda Pharmaceuticals U.S.A.Fruzaqla$27
1 payment
  • Meals for Fruzaqla · 2024-10-11 · $27
GlaxoSmithKlineOjjaara$25
1 payment
  • Meals for Ojjaara · 2024-07-02 · $25
Mirati TherapeuticsKrazati$23
1 payment
  • Meals for Krazati · 2024-11-04 · $23
Myriad Genetic LaboratoriesPrecisetumor$23
1 payment
  • Meals for Precisetumor · 2024-09-09 · $23
Aveo PharmaceuticalsFotivda$22
1 payment
  • Meals for Fotivda · 2024-08-16 · $22
Rigel PharmaceuticalsRezlidhia$21
1 payment
  • Meals for Rezlidhia · 2024-03-25 · $21

2023: $419

Payments by company in 2023
AstraZeneca Pharmaceuticals LPLynparza$169
4 payments
  • Meals for Tagrisso · 2023-07-03 · $26
  • Meals for Tagrisso · 2023-07-02 · $1
  • Meals for Calquence · 2023-03-20 · $18
  • Meals for Lynparza · 2023-03-15 · $125
Takeda Pharmaceuticals U.S.A.Alunbrig$30
1 payment
  • Meals for Alunbrig · 2023-02-13 · $30
Blueprint MedicinesAyvakit$30
1 payment
  • Meals for Ayvakit · 2023-05-08 · $30
Merck Sharp & DohmeKeytruda$30
1 payment
  • Meals for Keytruda · 2023-09-25 · $30
GlaxoSmithKlineZejula$27
1 payment
  • Meals for Zejula · 2023-07-20 · $27
Genentech USAVenclexta$26
1 payment
  • Meals for Venclexta · 2023-10-30 · $26
Deciphera PharmaceuticalsQinlock$23
1 payment
  • Meals for Qinlock · 2023-03-27 · $23
Janssen BiotechErleada$22
1 payment
  • Meals for Erleada · 2023-07-24 · $22
ADC Therapeutics AmericaNone$21
1 payment
  • Meals · 2023-07-17 · $21
IncyteJakafi$21
1 payment
  • Meals for Jakafi · 2023-09-15 · $21
Alexion PharmaceuticalsUltomiris$19
1 payment
  • Meals for Ultomiris · 2023-12-04 · $19

2022: $293

Payments by company in 2022
SeagenAdcetris$150
1 payment
  • Meals for Adcetris · 2022-12-01 · $150
AstraZeneca Pharmaceuticals LPEnhertu$144
1 payment
  • Meals for Enhertu · 2022-10-18 · $144

Professional record

NPI
1679078257
Licence
CA A164599California A164599: Delinquent · expires 2025-08-31
Trained
University of Hawaii John A. Burns School of Medicine, 2018
Group
The Queens Medical Center · Queens University Medical Group
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Hospitalist (208M00000X); Student in a training program (390200000X)
Mailing address
505 Parnassus Ave, San Francisco, CA, 94143
NPI first listed
2018-03-27
NPI last updated
2021-06-30
NPI record certified
2021-06-30

This is when the NPI record was last certified, not a medical board exam.