What is Marcus Iwane's specialty?

Marcus Iwane (NPI 1114246188) is a Medicare-billing provider whose primary specialty is Internal Medicine in Kapolei, HI.

Where does Marcus Iwane practice?

Marcus Iwane practices in Kapolei, HI, based on the location reported in the CMS Medicare provider datasets for NPI 1114246188.

How much does Medicare pay Marcus Iwane?

Marcus Iwane (NPI 1114246188) received approximately $6K in total Medicare Part B payments, serving 37 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1114246188

Marcus IwaneM.D.

Internal MedicineKapolei, HII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

7,789

Beneficiaries

—

Total drug cost

$464K

Distinct drugs

Brand share

25.6%

Top prescribed drugs

Atorvastatin Calcium984 claims

Lisinopril517 claims

Amlodipine Besylate387 claims

Losartan Potassium366 claims

Metformin Hcl238 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

Home health agency

Hospice

Hospice

Hospital

REFERRAL NETWORK

Where Marcus Iwane'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). 1 inbound referrers · 1 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	13	81

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
KAISER FOUNDATION HOSPITALS	19	119

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