PROVIDER PROFILE · NPI 1851325971

John MerchunMD

Diagnostic RadiologyGreenville, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,457

Unique beneficiaries

—

Total services

2,649

Distinct HCPCS

Medicare payment

$64K

Peer benchmark

Total Medicare services vs. 1,052 Diagnostic Radiology providers in MI — above median (cohort median 1,966).

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 Merchun'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). 156 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SPECTRUM HEALTH UNITED	1,430	3,343
Theresa Osborne Internal Medicine · Grand Rapids, MI	211	284
SPECTRUM HEALTH PRIMARY CARE PARTNERS	190	233
Kevin Reed Internal Medicine · Greenville, MI	183	524
DUBOIS MEDICAL ENTERPRISES PC	119	241
Kaushal Kalra Family Practice · Memphis, TN	97	281
Craig White Family Practice · Greenville, MI	97	283
CRITTENDEN MD, DAVID	91	286
County Of Montcalm Ambulance Service Provider · Stanton, MI	85	132
NPI 1336137389	84	244
Jason Bowman Emergency Medicine · Grand Rapids, MI	84	110
ZEELAND COMMUNITY HOSPITAL	76	128

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