Doctor profile · Federal record

Dr. Kenneth Sumida, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Honolulu, HI

  • NPI 1437126380
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
321 N Kuakini St, #412
Honolulu, HI 968172364
(808) 531-8521
fax (808) 539-9337
Mailing address
321 N Kuakini St Ste 404
Honolulu, HI 968172360

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 12, 2023
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Hawaii #MD6645
Medicaid
HI #05490001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437126380. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,223
Distinct HCPCS
4
Medicare allowed
$131,930
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 424 126 $105
99215 Established patient office or other outpatient visit, 40-54 minutes 401 65 $155
99213 Established patient office or other outpatient visit, 20-29 minutes 296 183 $71
99212 Established patient office or other outpatient visit, 10-19 minutes 102 89 $42

In context: peer comparison

Among 12 peers in Honolulu Hematology & Oncology Physician, average services per provider: 222. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$284
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
US Oncology Corporate, INC. 1 $168.35
McKesson Specialty Care Distribution, LLC 1 $64.44
BeiGene USA, INC. 1 $19.00
Celgene Corporation 1 $17.43
Novartis Pharmaceuticals Corporation 1 $15.06

By nature of payment

Food and Beverage
$284

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
835
Patients
162
Total drug cost
$964,010
Drug Type Claims Patients Total cost
Anastrozole Generic 180 50 $8,468
Prednisone Generic 98 20 $763
Hydroxyurea Generic 63 16 $3,284
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 58 13 $495
Abiraterone Acetate Generic 54 0 $197,391
Dexamethasone Generic 50 12 $566
Letrozole Generic 49 0 $632
Exemestane Generic 48 16 $15,381
Alendronate Sodium Generic 42 13 $785
Acyclovir Generic 40 11 $994

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Sumida's medical specialty?
Dr. Kenneth Sumida practices Hematology & Oncology Physician in Honolulu, HI.
Where does Dr. Kenneth Sumida practice?
Dr. Kenneth Sumida practices at 321 N Kuakini St, Honolulu, HI 968172364. Office phone: 8085318521.
What is Dr. Kenneth Sumida's NPI?
Dr. Kenneth Sumida's National Provider Identifier (NPI) is 1437126380, issued by NPPES.
Does Dr. Kenneth Sumida accept Medicare assignment?
Yes. Dr. Kenneth Sumida accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Sumida commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.