PROVIDER PROFILE · NPI 1861680399

Tomifumi OnishiM.D

PRACTICEN & M J.D CORPSee all providers at this practice →

Internal MedicineEwa Beach, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

211

Unique beneficiaries

—

Total services

464

Distinct HCPCS

Medicare payment

$40K

Peer benchmark

Total Medicare services vs. 453 Internal Medicine providers in HI — above median (cohort median 450).

PRESCRIBING · PART D · 2024

Total Rx claims

104

Beneficiaries

—

Total drug cost

$864

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Cefdinir25 claims

Prednisone20 claims

Furosemide13 claims

Doxycycline Hyclate13 claims

Metoprolol Succinate11 claims

QUALITY · MIPS · 2024

Final MIPS score

97.0

Quality

89.8

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.93%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$125

Payment records

By payment type

Food and Beverage$125

Top paying entities

Food and Beverage$125

REFERRAL NETWORK

Where Tomifumi Onishi's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE QUEEN'S MEDICAL CENTER	270	644
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	38	142
Donald Blair Interventional Radiology · Honolulu, HI	37	115
Randy Lau Diagnostic Radiology · Honolulu, HI	34	89
Ryan Matsuo Interventional Radiology · Honolulu, HI	32	65
Clayton Yamada Diagnostic Radiology · Honolulu, HI	28	69
John Chan Interventional Radiology · Honolulu, HI	24	72
Chuong Nguyen Diagnostic Radiology · Honolulu, HI	23	55
Roxsann Roberts Diagnostic Radiology · Nashville, TN	22	52
Kristen Nagata Diagnostic Radiology · Honolulu, HI	21	42
Brandi Gary Emergency Medicine · Honolulu, HI	20	37
Sera-Lyn Yee Internal Medicine · Ewa Beach, HI	20	83

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history