caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1487698361

Michael JohnstonMD

Emergency MedicineNashville, TNI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
220
Unique beneficiaries
—
Total services
220
Distinct HCPCS
3
Medicare payment
$27K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 849 Emergency Medicine providers in TN — below median (cohort median 332).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Michael Johnston'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). 9 inbound referrers · 24 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
VANDERBILT UNIVERSITY MEDICAL CENTER241642
Metropolitan Government Of Nashville & Davidson County
Ambulance Service Provider · Nashville, TN
48112
Katherine Hartley
Diagnostic Radiology · Asheville, NC
2844
Adam Guttentag
Diagnostic Radiology · Nashville, TN
1619
John Block
Diagnostic Radiology · Nashville, TN
1628
Joseph Aulino
Diagnostic Radiology · Nashville, TN
1317
Arthur Fleischer
Diagnostic Radiology · Nashville, TN
1214
Martin Jordanov
Diagnostic Radiology · Nashville, TN
1217
WILLIAMSON COUNTY HOSPITAL DISTRICT1120
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
VANDERBILT UNIVERSITY MEDICAL CENTER154422
Justin Long
Diagnostic Radiology · Little Rock, AR
4788
David Taber
Diagnostic Radiology · Nashville, TN
4569
Nam Le
Diagnostic Radiology · Nashville, TN
4069
Matthew Day
Diagnostic Radiology · Nashville, TN
2739
Larry Davis
Diagnostic Radiology · Nashville, TN
2131
Arthur Fleischer
Diagnostic Radiology · Nashville, TN
1821
Josh Heck
Diagnostic Radiology · Nashville, TN
1827
Edwin Donnelly
Diagnostic Radiology · Powell, OH
1724
Adam Guttentag
Diagnostic Radiology · Nashville, TN
1723
Kenneth Monahan
Cardiology · Nashville, TN
1750
Ricardo Fonseca
Diagnostic Radiology · Nashville, TN
1621
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.