What is Mark Jonker's specialty?

Mark Jonker (NPI 1780620039) is a Medicare-billing provider whose primary specialty is General Surgery in Brighton, MI.

Where does Mark Jonker practice?

Mark Jonker practices in Brighton, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1780620039.

How much does Medicare pay Mark Jonker?

Mark Jonker (NPI 1780620039) received approximately $17K in total Medicare Part B payments, serving 48 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1780620039

Mark JonkerM.D.

PRACTICEIHA HEALTH SERVICES CORPORATIONSee all providers at this practice →

General SurgeryBrighton, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$1K

Peer benchmark

Total Medicare services vs. 741 General Surgery providers in MI — bottom quintile (cohort median 205).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$310

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Pantoprazole Sodium11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Education$2K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$500

Top paying entities

Education$2K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$500

REFERRAL NETWORK

Where Mark Jonker'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Kelly General Surgery · Worcester, MA	13	48

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events