What is John Kosiak's specialty?

John Kosiak (NPI 1033101886) is a Medicare-billing provider whose primary specialty is Radiation Oncology in Coon Rapids, MN.

Where does John Kosiak practice?

John Kosiak practices in Coon Rapids, MN, based on the location reported in the CMS Medicare provider datasets for NPI 1033101886.

How much does Medicare pay John Kosiak?

John Kosiak (NPI 1033101886) received approximately $126K in total Medicare Part B payments, serving 49 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033101886

John KosiakMN

Radiation OncologyCoon Rapids, MNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

151

Unique beneficiaries

—

Total services

620

Distinct HCPCS

Medicare payment

$97K

Peer benchmark

Total Medicare services vs. 119 Radiation Oncology providers in MN — below median (cohort median 986).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Kosiak'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). 3 inbound referrers · 10 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALLINA HEALTH SYSTEM	23	90
Raul Fernandez-Gonzalez Radiation Oncology · Burnsville, MN	16	22
DOESCHER, PHILIP	16	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTH MEMORIAL HEALTH CARE	42	221
Duncan Dickson Radiation Oncology · Coon Rapids, MN	40	291
Kurt Nisi Radiation Oncology · Robbinsdale, MN	38	189
Raul Fernandez-Gonzalez Radiation Oncology · Burnsville, MN	25	55
ALLINA HEALTH SYSTEM	21	62
ALLINA HEALTH SYSTEM	21	87
Joseph Levine Medical Oncology · Duluth, MN	16	85
Hengbing Wang Hematology-Oncology · Ukiah, CA	13	43
DOESCHER, PHILIP	13	19
Yazmin Clark Nurse Practitioner · Robbinsdale, MN	11	41

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