What is Craig Hamasaki's specialty?

Craig Hamasaki (NPI 1003870478) is a Medicare-billing provider whose primary specialty is Internal Medicine in Aiea, HI.

Where does Craig Hamasaki practice?

Craig Hamasaki practices in Aiea, HI, based on the location reported in the CMS Medicare provider datasets for NPI 1003870478.

How much does Medicare pay Craig Hamasaki?

Craig Hamasaki (NPI 1003870478) received approximately $104K in total Medicare Part B payments, serving 265 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003870478

Craig HamasakiM.D.

Internal MedicineAiea, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

949

Unique beneficiaries

—

Total services

1,265

Distinct HCPCS

Medicare payment

$103K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

4,837

Beneficiaries

—

Total drug cost

$462K

Distinct drugs

Brand share

17.9%

Top prescribed drugs

Atorvastatin Calcium643 claims

Amlodipine Besylate343 claims

Losartan Potassium338 claims

Metformin Hcl239 claims

Metoprolol Succinate175 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 127310

Home health agency

CCN 120001

Hospital

CCN 120026

Hospital

REFERRAL NETWORK

Where Craig Hamasaki'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). 5 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	126	247
Clinical Laboratories Of Hawaii Llp Clinical Laboratory · Ewa Beach, HI	70	142
PALI MOMI MEDICAL CENTER	47	70
THE QUEEN'S MEDICAL CENTER	13	19
Melvin Wong Neurology · Aiea, HI	11	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Diagnostic Laboratory Services, Inc Clinical Laboratory · Aiea, HI	66	125
PALI MOMI MEDICAL CENTER	62	134
HAWAII PET IMAGING LLC	25	39
Clinical Laboratories Of Hawaii Llp Clinical Laboratory · Ewa Beach, HI	23	46
THE QUEEN'S MEDICAL CENTER	18	25
Melvin Wong Neurology · Aiea, HI	13	32
Donn Kumasaki Diagnostic Radiology · Honolulu, HI	13	24
Alvin Ikeda Diagnostic Radiology · Honolulu, HI	11	16

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events