What is John Mruzik's specialty?

John Mruzik (NPI 1104936566) is a Medicare-billing provider whose primary specialty is Family Practice in Columbia, MO.

Where does John Mruzik practice?

John Mruzik practices in Columbia, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1104936566.

How much does Medicare pay John Mruzik?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Mruzik (NPI 1104936566) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1104936566

John Mruzik

Family PracticeColumbia, MOI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$204

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Ondansetron17 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.

REFERRAL NETWORK

Where John Mruzik'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 · 16 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	53	119
TELLERMAN, BARBARA	18	30
Sara Revelle Nurse Practitioner · Columbia, MO	17	25
Laura Sievert Diagnostic Radiology · Columbia, MO	13	25
Rebecca Hornbeck Nurse Practitioner · Columbia, MO	12	22

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CH ALLIED SERVICES, INC.	194	533
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	76	191
CURATORS OF THE UNIVERSITY OF MISSOURI	61	191
Sara Revelle Nurse Practitioner · Columbia, MO	35	43
Rebecca Hornbeck Nurse Practitioner · Columbia, MO	31	39
Maxwell Lazinger Diagnostic Radiology · Columbia, MO	29	58
Andrew Getzoff Diagnostic Radiology · Columbia, MO	28	49
Laura Sievert Diagnostic Radiology · Columbia, MO	27	59
David Brummett Diagnostic Radiology · Columbia, MO	24	56
Terry Elwing Diagnostic Radiology · Columbia, MO	20	40
TELLERMAN, BARBARA	18	43
CASH, KELLI	18	23

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